| | CLASS NOTES |
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| | CROSS-REFERENCE ART COLLECTIONS |
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| 2 | DF | DRIVING MECHANISMS (driving mechanisms for Turkish time subclass 167; driving mechanisms in the hands subclass 396; driving mechanisms for phonographic apparatus G11B 19/00; springs, driving weight engines F03G; driving mechanisms for cinematography G03B 1/00; driving mechanisms; driving mechanisms for time fuses for missiles F42C; driving mechanisms for toys A63H 11/23) [G04B 1/00] {4} |
| 23 | DF | NORMAL WINDING OF CLOCKWORKS BY HAND OR MECHANICALLY; WINDING UP SEVERAL MAINSPRINGS OR DRIVING WEIGHTS SIMULTANEOUSLY (see note attached to this subclass) {10} |
| 40 | DF | AUTOMATIC WINDING UP (normal winding up by hand or mechanically subclass 23; automatic winding in combination with hand winding subclass 68; electrical winding of mechanical clockworks subclass 443; advertising by making use of vibrations or shocks of land vehicles G09F 21/04) [G04B 5/00] {7} |
| 68 | DF | COMBINED NORMAL AND AUTOMATIC WINDING UP (normal winding up by hand or mechanically subclass 23; automatic winding up subclass 40; electric winding up of mechanical clockworks subclass 427) [G04B 7/00] |
| 69 | DF | SUPERVISION OF THE STATE OF WINDING, E.G., INDICATING THE AMOUNT OF WINDING, ETC, [G04B 9/00] {2} |
| 73 | DF | CLICK DEVICES; STOP CLICKS; CLUTCHES (mechanisms for winding up by hand subclass 23; automatic winding up subclass 40;) [G04B 11/00] {4} |
| 85 | DF | GEARWORK (Gearwork for driving the hands subclass 140; calibers subclass 284; dispositions and components for transmission in general F16H) [G04B 13/00] {5} |
| 95 | DF | ESCAPEMENTS (magnetic subclass 496; in striking mechanisms subclass 224;) [G04B 15/00] {5} |
| 103 | DF | MECHANISMS FOR STABILIZING FREQUENCY (magnetic subclass 497; in striking mechanisms subclass 224; stopping and regulating of the running subclass 234; electrical and thermoelectric regulating mechanisms subclass 496) [G04B 17/00] {8} |
| 139 | DF | INDICATING BY VISUAL MEANS (by electric lamps subclass 576; indicating by acoustical means mechanically subclass 217, electrically subclass 580; acoustic signals at preselected times mechanically subclass 229, electrically subclass 580; optical time signals at preselected times mechanically subclass 244, electrically subclass 577; continuous time indication by electric means subclass 564; visible signalling arrangements G08B 5/00) [G04B 19/00] {10} |
| 217 | DF | INDICATING BY ACOUSTIC MEANS (at preselected times subclass 229; by electroacoustic means or electroacoustic time indicating subclass 582; time indicating by means other than acoustically, or combined means subclass 243; time indicating by visual means subclass 139; acoustic signalling arrangements G08B 3/00) [G04B 21/00] {2} |
| 229 | DF | ARRANGEMENTS PRODUCING ACOUSTIC SIGNALS AT PRESELECTED TIMES (optical time indicating subclass 139, 564, and 577; indicating by acoustic means subclass 217; indicating time by means other than acoustic or optical or by a combination of means subclass 243; acoustic time signals produced electrically subclass 580; coin-freed alarm clocks G07F 17/00B; acoustic signalling means G08B 3/00) [G04B 23/00] {2} |
| 243 | DF | INDICATING THE TIME BY OTHER MEANS OR BY COMBINED MEANS (electric or electromechanical indicating subclass 425; illumination of dials and hand subclass 213; indicating by acoustic means subclass 217; arrangements producing acoustic signals at preselected times subclass 229; continuously indicating the time optically by electric means subclass 577; producing acoustic time signals by electrical means subclass 580; gas lamp adjustment by clockwork subclass 243; devices for cooking eggs A47J 29/00) [G04B 25/00] {3} |
| 248 | DF | MECHANICAL DEVICES FOR SETTING THE TIME-INDICATING MEANS [G04B 27/00] {8} |
| 265 | DF | FRAMEWORKS [G04B 29/00] {2} |
| 271 | DF | BEARINGS; POINT SUSPENSIONS, OR COUNTER-POINT SUSPENSIONS; PIVOT BEARINGS; SINGLE PARTS THEREFOR (bearings in general F16C; manufacture and composition of springs subclass 11; suspension of oscillating weights subclass 54; suspension of a pendulum subclass 105; devices for fixation of bearing jewels, bearings, sleeves, etc., subclass 735; bearings for electrical measurement apparatus G01R 1/10, 1/12, 11/12, 11/14; inserting jewels A44C 17/04; inserting cutting diamonds B23P 5/00) [G04B 31/00] {6} |
| 284 | DF | CALIBERS (disposition of components of the automatic winding mechanism in relation to the clockwork subclass 53) [G04B 33/00] {8} |
| 293 | DF | ADJUSTING THE GEAR TRAIN, E.G., THE BACKLASH OR THE ARBORS, DEPTH OF MESHING OF THE GEARS, ETC. (adjusting the escapement subclass 101) [G04B 35/00] |
| 294 | DF | CASES (cases with a special shape subclass 390; ornamentation of the case subclass 395; cartridges A45C 11/00-11/38) [G04B 37/00] {13} |
| 368 | DF | WATCH CRYSTALS; FASTENING OR SEALING OF CRYSTALS; CLOCK GLASSES [G04B 39/00] {4} |
| 375 | DF | LOCKING OR HOLDING DEVICES FOR PENDULUMS, CHIMES, OR THE LIKE, FOR USE DURING TRANSPORT [G04B 41/00] {1} |
| 377 | DF | PROTECTING CLOCKWORKS BY SHIELDS OR OTHER MEANS AGAINST EXTERNAL INFLUENCES, E.G., MAGNETIC FIELDS, ETC. (demagnetizing apparatus subclass 783) [G04B 43/00] {3} |
| 381 | DF | TIMEPIECES OF WHICH THE INDICATING MEANS OR CASE PROVOKE SPECIAL EFFECTS, E.G., AESTHETIC EFFECTS, ETC. (ornamental shaping of dials subclass 153 special effects and pictures in general B44F) [G04B 45/00] {10} |
| 398 | DF | TIMEPIECES COMBINED WITH OTHER ARTICLES WHICH DO NOT INTERFERE WITH THE RUNNING OR THE TIMEKEEPING OF THE TIMEPIECE (with magnifying glass built into the face subclass 368; clockwork cases for special purposes subclass 342; inscriptions or pictures moved by hand subclass 385; specially shaped cases, also imitation utensils subclass 390) [G04B 47/00] {9} |
| 414 | DF | TIMEPIECES USING THE POSITION OF THE SUN, MOON, OR STARS (devices for fixing the place and time by astronomical observations G01C 21/00) [G04B 49/00] {1} |
| 426 | DF | WINDING MECHANICAL CLOCKS ELECTRICALLY (winding mechanically subclass 23; electrical winding of spring-driven arrangements for gramophones G11B 19/20) [G04C 1/00] {5} |
| 446 | DF | ELECTROMECHANICAL CLOCKS OR WATCHES INDEPENDENT OF OTHER TIMEPIECES AND IN WHICH THE MOVEMENT IS MAINTAINED BY ELECTRIC MEANS (synchronization subclass 506) [G04C 3/00] {8} |
| 496 | DF | ELECTRIC OR MAGNETIC MEANS FOR CONVERTING OSCILLATORY TO ROTARY MOTION IN TIMEPIECES, I.E., ELECTRIC OR MAGNETIC ESCAPEMENTS (regulators subclass 446) [G04C 5/00] {1} |
| 498 | DF | ELECTRICALLY ACTUATED DEVICES FOR SETTING THE TIME-INDICATING MEANS (of slave clocks subclass 533; of synchronous clocks subclass 561; mechanical setting devices subclass 248; electronic setting devices subclass 906) [G04C 9/00] {4} |
| 503 | DF | ARRANGEMENTS OF ELECTRIC POWER SUPPLIES IN TIMEPIECES (circuits subclass 888; mounting, assembling of components of electromechanical watches subclass 452, of electronic watches subclass 877) [G04C 10/00] {2} |
| 506 | DF | SYNCHRONIZATION OF INDEPENDENTLY DRIVEN CLOCKS (synchronization between master and slave pendulums subclass 532; synchronization of electronic oscillators in general H03L 7/00) [G04C 11/00] {7} |
| 524 | DF | DRIVING MECHANISMS FOR CLOCKS BY MASTER CLOCKS [G04C 13/00] {2} |
| 553 | DF | CLOCKS DRIVEN BY SYNCHRONOUS MOTORS [G04C 15/00] {4} |
| 564 | DF | INDICATING THE TIME OPTICALLY BY ELECTRIC MEANS (subclass 577 takes precedence; by mechanical means subclasses 139 and 162) [G04C 17/00] precedence; by mechanical means subclasses 139 and 162) [G04C 17/00] {6} |
| 577 | DF | PRODUCING OPTICAL TIME SIGNALS AT PREFIXED TIMES BY ELECTRIC MEANS [G04C 19/00] {2} |
| 580 | DF | PRODUCING ACOUSTIC TIME SIGNALS BY ELECTRICAL MEANS (for mechanical clocks or watches subclasses 225 and 243) [G04C 21/00] {3} |
| 605 | DF | CLOCKS WITH ATTACHED OR BUILT-IN MEANS OPERATING ANY DEVICE AT PRESELECTED TIMES OR AFTER PRESELECTED TIME INTERVALS (if restricted to producing acoustic time signals by electrical means subclass 580; mechanical alarm clocks subclass 231; apparatus which can be set and started to measure off predetermined intervals subclass 815; time or time-program switches which automatically terminate their operation after the program is completed H01H 43/00) [G04C 23/00] {3} |
| 651 | DF | GRIPPING, HOLDING OR SUPPORTING DEVICES (stands in general F16M; for instruments G01D 11/30, B01L) [G04D 1/00] {10} |
| 685 | DF | WATCHMAKER'S OR WATCH-REPAIRER'S MACHINES OR TOOLS FOR WORKING MATERIALS (metal working in general Class B23) [G04D 3/00] {7} |
| 746 | DF | OILING DEVICES; SPECIAL LUBRICANT CONTAINERS FOR WATCHMAKERS (bearings constructed with regard to oiling of the clockwork subclass 281; oilcans for lubricating in general F16N 3/04) [G04D 5/00] {1} |
| 748 | DF | MEASURING, COUNTING, CALIBRATING, TESTING, OR REGULATING APPARATUS (measuring devices and calibers in general G01B; counters in general H03K) [G04D 7/00] {11} |
| 783 | DF | DEMAGNETIZING DEVICES (demagnetizing in general H01F 13/00) [G04D 9/00] |
| 801 | DF | APPARATUS WHICH CAN BE SET AND STARTED TO MEASURE OFF PREDETERMINED OR ADJUSTABLY FIXED TIME INTERVALS WITHOUT DRIVING MECHANISMS, E.G., EGG TIMER, ETC. (electric time and time-program switches H01H 43/00) [G04F 1/00] {3} |
| 809 | DF | APPARATUS WHICH CAN BE SET AND STARTED TO MEASURE OFF PREDETERMINED OR ADJUSTABLY FIXED TIME INTERVALS WITH DRIVING MECHANISMS, E.G., DOSIMETER WITH CLOCKWORK, ETC. (electric time or time-program switches H01H 43/00) [G04F 3/00] {2} |
| 817 | DF | APPARATUS FOR PRODUCING PRESELECTED TIME INTERVALS FOR USE AS TIMING STANDARDS (generating clock signals for electric digital computers G06F 1/04; regulating frequency in general H03C, L) [G04F 5/00] {6} |
| 831 | DF | APPARATUS FOR MEASURING UNKNOWN TIME INTERVALS BY MECHANICAL MEANS [G04F 7/00] {3} |
| 837 | DF | APPARATUS FOR MEASURING UNKNOWN TIME INTERVALS BY ELECTROMECHANICAL MEANS [G04F 8/00] {4} |
| 844 | DF | APPARATUS FOR MEASURING UNKNOWN TIME INTERVALS BY ELECTRIC MEANS (timing devices for clocks or watches for comparing the rate of the oscillating member with a standard subclass 769; radar systems, analogous systems G01S 9/00; measuring frequency G01R 23/00; measuring phase angle G01R 25/00) [G04F 10/00] {5} |
| 851 | DF | APPARATUS FOR MEASURING UNKNOWN TIME INTERVALS BY MEANS NOT PROVIDED FOR IN SUBCLASS 817 TO SUBCLASS 844 [G04F 13/00] {3} |
| 876 | DF | SUBJECT MATTER NOT PROVIDED FOR IN SUBCLASSES 901 TO 975, E.G., INTEGRATED CIRCUITS FOR ELECTRONIC TIMEPIECES [G04G 1/00] {6} |
| 901 | DF | PRODUCING TIMING PULSES (driving circuits for stepping motors subclass 490; producing preselected time intervals for use as timing standards subclass 817; pulse technique in general H03K; control, synchronization, or stabilization of generators in general H03L) [G04G 3/00] {1} |
| 906 | DF | SETTING, I.E., CORRECTING OR CHANGING THE TIME-INDICATION (synchronization combined with automatic setting at regular intervals, e.g., by coded signals, etc., subclass 920) [G04G 5/00] {5} |
| 920 | DF | SYNCHRONIZATION [G04G 7/00] {2} |
| 925 | DF | VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9} |
| 967 | DF | PRODUCING OPTICAL SIGNALS AT PRESELECTED TIMES [G04G 11/00] |
| 968 | DF | PRODUCING ACOUSTIC TIME SIGNALS [G04G 13/00] {1} |
| 975 | DF | TIMEPIECES COMPRISING MEANS TO BE OPERATED AT PRESELECTED TIMES OR AFTER PRESELECTED TIME INTERVALS (subclasses 967 and 968 take precedence; pulse delay circuits H03K 5/13; electronic time delay switches H03K 17/28; electronic time program switches which automatically terminate their operation after the program is completed H03K 17/296; electronic timers digest 802) [G04G 15/00] {2} |
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| | DIGEST |
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| DIG 1 | DF | PAPER COPIES IN NUMERICAL ORDER OF ALL U.S. PATENTS IN SUBCLASSES 2-977 |
