| | CLASS NOTES |
| 1 | DF | INCLUDING JUSTIFICATION OR QUADDING OF PRINT-LINE {6} |
| 16 | DF | FOR TYPING OR FORMING CONTINUOUS OR DISCONTINUOUS LINE (E.G., BY "LINER") {4} |
| 23 | DF | FOR TYPING ON FLAT RECORD-MEDIUM OR AGAINST FLAT PLATEN {14} |
| 50 | DF | INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER {2} |
| 53 | DF | INCLUDING ADJUSTMENT MEANS TO COMPENSATE FOR WEAR |
| 54 | DF | SAFETY SWITCH OR CONDITION-RESPONSIVE-CUTOFF SWITCH FOR ELECTRICALLY POWERED TYPEWRITER |
| 55 | DF | INCLUDING ADJUSTMENT FOR OPTIMUM PRINTING PLANE {4} |
| 61 | DF | INCLUDING CONTROL OF FORMAT AND SELECTION OF TYPE-FACE BY PROGRAMMED CONTROL-SYSTEM (E.G., INPUT TYPEWRITER) {7} |
| 70 | DF | INCLUDING SELECTION OF TYPE-FACE BY PROGRAMMED-CONTROL-SYSTEM OR BY REMOTE CONTROL {5} |
| 76 | DF | INCLUDING CONTROL OF FORMAT BY PROGRAMMED-CONTROL-SYSTEM |
| 77 | DF | TYPEWRITER CONTROLS OTHER INFORMATION RECORDER {2} |
| 82 | DF | INCLUDING PLURAL, INDEPENDENTLY SUPPORTED KEY-BOARDS, PLATENS, OR TYPE-SET ASSEMBLAGES |
| 83 | DF | DISPLAYING TYPEWRITER-FORMED REPRESENTATION OF PRINT-LINE {1} |
| 86 | DF | OPERATING BY SOUND |
| 87 | DF | FOR OPERATION BY HANDICAPPED USER |
| 88 | DF | POCKET TYPEWRITER |
| 89 | DF | KEY REASSIGNMENT {1} |
| 91 | DF | STENOGRAPHIC TYPEWRITER {2} |
| 95 | DF | LOGOTYPE TYPEWRITER (E.G., WORD TYPING) {3} |
| 100 | DF | PLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD) {2} |
| 103 | DF | CODE-PRINTING TYPEWRITER (E.G., FOR PRINTING A PATTERN OR MARK) {4} |
| 109 | DF | FOREIGN LANGUAGE OR BRAILLE TYPEWRITER {3} |
| 112 | DF | ANNULAR TYPEWRITER (E.G., FOR TYPING AROUND CIRCUMFERENCE OF PLATEN) {3} |
| 116 | DF | MUSIC-ROLL OR MUSICAL-NOTATION TYPEWRITER {1} |
| 118.1 | DF | TYPING BY HEATED DIE |
| 118.2 | DF | TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE {3} |
| 127 | DF | TYPING TO PRODUCE EMBOSSED CHARACTER {2} |
| 135 | DF | TYPING TO PRODUCE PIERCED CHARACTER {2} |
| 139 | DF | INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11} |
| 176 | DF | HAVING FLUID-PRESSURE POWER DRIVE {4} |
| 184 | DF | HAVING TYPEWRITER-CONTROLLED RECIPROCABLE ELECTROMAGNETIC DRIVE FOR PLURAL FUNCTIONS IN SAME TYPEWRITER |
| 185 | DF | HAVING POWER-DRIVEN OPERATOR FOR PLURAL FUNCTIONS {2} |
| 188 | DF | FOR TYPING ON REVERSE SURFACE OF RECORD-MEDIUM {2} |
| 191 | DF | INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15} |
| 251 | DF | CASE-SHIFT MECHANISM {14} |
| 279 | DF | CONTROL OF PRINT POSITION ALONG PRINT-LINE BY SIGNAL GENERATED BY PROGRAMMED-CONTROL-SYSTEM {2} |
| 283 | DF | CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11} |
| 359 | DF | HAVING TYPEWRITER-CONTROLLED RECIPROCABLE ELECTROMAGNETIC DRIVE FOR TYPE BAR ACTUATION IN SAME TYPEWRITER {4} |
| 365 | DF | HAVING ROTATED POWER DRIVE INTERMITTENTLY APPLIED FOR TYPE-BAR ACTUATION {7} |
| 383 | DF | TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER {19} |
| 472 | DF | KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM {12} |
| 497 | DF | WITH CONTROL OF "CARBON PAPER" FOR TYPING PLURAL SIMULTANEOUS COPIES BY SINGLE IMPRESSION (E.G., ON "MANIFOLD SET") {10} |
| 521 | DF | FOR TYPING ON CARD IN CARD HOLDER {11} |
| 545 | DF | FOR LINE-SPACING BY INCREMENTAL ROTATION OF PLATEN {15} |
| 578 | DF | SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13} |
| 648 | DF | PLATEN OR PLATEN-MOVING MECHANISM {5} |
| 663 | DF | LOCKING OR INTERLOCKING MECHANISM {7} |
| 679 | DF | MEANS AUXILIARY TO TYPEWRITING FUNCTION {12} |
| 719 | DF | MISCELLANEOUS |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS |
| | ****************************** |
| 900 | DF | CHEMICAL-SYMBOL CHARACTER |
| 901 | DF | CONTINUOUSLY ROTATING TYPE-HEAD |
| 902 | DF | STEPPING-MOTOR DRIVE FOR WEB FEED |
| 903 | DF | STEPPING-MOTOR DRIVE FOR CARRIAGE FEED |
| 904 | DF | SUBSCRIPT OR SUPERSCRIPT CHARACTER |