| | CLASS NOTES |
| 1 | DF | SAFETY RELEASE {1} |
| 3 | DF | FRANGIBLE ELEMENT {1} |
| 5 | DF | IRRIGATION TYPE (GUIDE AND SUPPORT) {1} |
| 7 | DF | VACUUM CLEANER TYPE |
| 8 | DF | FAUCET TYPE (E.G., SLIP-ON) |
| 9.1 | DF | WITH MAGNETIC ELEMENT |
| 9.2 | DF | CONTACT ONLY |
| 10 | DF | LIQUID SEAL {1} |
| 12 | DF | CONVERTIBLE |
| 13 | DF | WITH LEAKAGE OR DRIP DISPOSAL {1} |
| 15 | DF | REPAIR {1} |
| 18 | DF | WITH ASSEMBLY MEANS OR FEATURE {13} |
| 41 | DF | WITH HEATING OR COOLING |
| 42 | DF | ROOF OR FLOOR DRAIN FLASHING TYPE {1} |
| 45 | DF | WITH CASING, LINING OR PROTECTOR {3} |
| 56 | DF | WATER CLOSET TYPE, FLOOR-SUPPORTED {3} |
| 61 | DF | WITH SUPPORT {2} |
| 65 | DF | IDENTICAL HALVES (E.G., TRAIN LINE TYPE) {4} |
| 80 | DF | WITH LOCK OR SEAL |
| 81 | DF | WITH MEANS BLOCKING RELEASE OF HOLDING MEANS {5} |
| 93 | DF | WITH INDICATOR, ALARM OR INSPECTION MEANS |
| 94 | DF | WITH LUBRICATION |
| 95 | DF | WITH FLUID PRESSURE SEAL {11} |
| 114 | DF | WITH STRAIN RELIEF {1} |
| 117 | DF | WITH BROKEN PARTS RETAINER |
| 118 | DF | KNUCKLE JOINT WITH ACTUATING MEANS |
| 119 | DF | COMBINED |
| 120.1 | DF | HAVING PLURAL INDEPENDENT PATHS {4} |
| 125.1 | DF | FOR BRANCHED PATH {8} |
| 134.1 | DF | U-TYPE (E.G., RETURN BEND) {1} |
| 136.1 | DF | PIPE TO DISCREET NIPPLE OR SLEEVE TO PLATE (I.E., THREE SUCCESSIVE PIECES) {7} |
| 144.1 | DF | SERIAL,RELATIVELY MOVABLE PORTIONS {4} |
| 149.1 | DF | CONNECTOR FOR CONDUIT HOUSING ELECTROMAGNETIC LINE: {5} |
| 179 | DF | ELBOW {5} |
| 184 | DF | ADJUSTABLE ANGLE {1} |
| 187 | DF | TEMPERATURE-RESPONSIVE |
| 188 | DF | SIDE TO PIPE SIDE |
| 189 | DF | END TO SIDE OR PLATE (E.G., REINFORCEMENT) {11} |
| 222.1 | DF | FOR PLURAL COMPONENT LINE (E.G., FLEXIBLE TYPE) {4} |
| 223 | DF | FLEXIBLE JOINT, RIGID MEMBERS {6} |
| 238 | DF | NONMETAL TO METAL {1} |
| 260 | DF | BOTH MEMBERS PLIABLE AND NONMETAL |
| 261 | DF | BALL AND SOCKET {8} |
| 272 | DF | SWIVEL {5} |
| 283 | DF | DETACHABLE HINGE |
| 284.1 | DF | WITH ACCESS OPENING |
| 285.1 | DF | MOLDED JOINT {11} |
| 298 | DF | VARIABLE LENGTH {3} |
| 304 | DF | FRICTION DETENT (E.G., BREAKAWAY TYPE) |
| 305 | DF | ESSENTIAL CATCH {7} |
| 322 | DF | MOVABLE JAW (E.G., CONTRACTIBLE SOCKET) {2} |
| 325 | DF | SIDE SLIDE {2} |
| 328 | DF | PARTICULAR INTERFACE {4} |
| 335 | DF | PACKED {20} |
| 381.1 | DF | TEMPERATURE RESPONSIVE JOINT ELEMENT; E.G., SHRUNK FIT {2} |
| 382 | DF | DEFORMED {3} |
| 383 | DF | DISTINCT SPACED SERIAL |
| 384 | DF | SCREW THIMBLE-GLAND {1} |
| 386 | DF | SCREW THIMBLE {2} |
| 390 | DF | SCREW {3} |
| 394 | DF | CAM {2} |
| 397 | DF | INTERNAL SLEEVE {1} |
| 399 | DF | SOCKET {3} |
| 405 | DF | FLANGE {3} |
| 417 | DF | SLEEVE {1} |
| 420 | DF | CLAMP {1} |
| 422 | DF | MATERIALS {2} |
| 425 | DF | MISCELLANEOUS |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS |
| | ****************************** |
| 900 | DF | BALANCED PRESSURE |
| 901 | DF | CAP CLOSURES |
| 902 | DF | CANTED RING |
| 903 | DF | CORRUGATED |
| 904 | DF | CRYOGENIC |
| 905 | DF | DIFFERENT COEFFICIENTS OF EXPANSION |
| 906 | DF | EQUIVALENTS |
| 907 | DF | ELECTRICAL FIXTURES |
| 908 | DF | EXTRUSION HOLES |
| 909 | DF | FLUOROCARBONS AND MEMORY PLASTICS |
| 910 | DF | GASKETS |
| 911 | DF | GLASS |
| 912 | DF | GEAR |
| 913 | DF | INTERDIGITATING |
| 914 | DF | IRREVERSIBLE |
| 915 | DF | MASTIC |
| 916 | DF | MOLECULAR CHANGE |
| 917 | DF | METALLIC SEALS |
| 918 | DF | O-RING |
| 919 | DF | RESINOUS |
| 920 | DF | REMOTELY CONTROLLED |
| 921 | DF | SNAP-FIT |
| 922 | DF | SAFETY AND QUICK RELEASE FOR DRILL PIPES |
| 923 | DF | SPECIFIC MATERIAL |
| 924 | DF | VENTED |
| 925 | DF | SWELLS WHEN WET ********************************* |
| * | DF | FOREIGN ART COLLECTIONS |
| | ********************************* |
| FOR 100 | DF | SYSTEMS (285/120) {11} |
| FOR 161 | DF | MOLDED JOINT (285/284) {10} |
