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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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You are viewing a USPC Schedule. |
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Class 277 | SEAL FOR A JOINT OR JUNCTURE |
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![]() | ![]() | 300 | PROCESS OF DYNAMIC SEALING |
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![]() | ![]() | 312 | PROCESS OF STATIC SEALING |
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![]() | ![]() | 317 | SEAL COMBINED WITH INDICATOR, SAMPLER, OR INSPECTION FEATURE |
![]() | ![]() | 322 | SEAL FOR WELL APPARATUS |
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![]() | ![]() | 345 | SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) |
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![]() | ![]() | 590 | SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS |
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CROSS-REFERENCE ART COLLECTIONS | ||
![]() | ![]() | 902 | SEAL FOR STERLING ENGINE |
![]() | ![]() | 903 | SEAL FOR ROTATING KILN OR DRUM |
![]() | ![]() | 904 | VISCOUS SEAL |
![]() | ![]() | 905 | T-SHAPED OR I-SHAPED RING MEMBER INCLUDING SEAL ON A SIDE |
![]() | ![]() | 906 | SEAL FOR ARTICLE OF INDEFINITE LENGTH (E.G., STRIP, SHEET, ETC.) |
![]() | ![]() | 907 | PASSAGEWAY IN ROD OR SHAFT |
![]() | ![]() | 908 | SEAL FOR USE IN ROTATING AND RECIPROCATING ARRANGEMENT |
![]() | ![]() | 909 | SIMILAR SEALING STRUCTURES FOR MOUNTING ON PISTON AND ABOUT ROD |
![]() | ![]() | 910 | O-RING SEAL |
![]() | ![]() | 911 | SEAL COMBINED WITH NOMINAL MOTION TRANSMITTING DEVICE |
![]() | ![]() | 913 | SEAL FOR FLUID PRESSURE BELOW ATMOSPHERIC (E.G., VACUUM, ETC.) |
![]() | ![]() | 914 | BACKUP SEAL FOR FAILURE OF PRIMARY SEAL |
![]() | ![]() | 915 | SEAL INCLUDING COMPRESSION SET FEATURE |
![]() | ![]() | 916 | SEAL INCLUDING VIBRATION DAMPENING FEATURE |
![]() | ![]() | 917 | SEAL INCLUDING FRANGIBLE FEATURE |
![]() | ![]() | 918 | SEAL COMBINED WITH FILTER OR FLUID SEPARATOR |
![]() | ![]() | 919 | SEAL INCLUDING ELECTRICAL FEATURE |
![]() | ![]() | 920 | SEAL INCLUDING ELECTROMAGNETIC SHIELDING FEATURE |
![]() | ![]() | 921 | CLOSURE OR WEATHER STRIP SEAL |
![]() | ![]() | 922 | BONDING OR JOINING FOR MANUFACTURE OF SEAL |
![]() | ![]() | 924 | DEFORMATION, MATERIAL REMOVAL, OR MOLDING FOR MANUFACTURE OF SEAL |
![]() | ![]() | 925 | SNAP FIT FEATURE FOR MOUNTING OR ASSEMBLY OF SEAL |
![]() | ![]() | 926 | SEAL INCLUDING FLUID PRESSURE EQUALIZING OR BALANCING FEATURE |
![]() | ![]() | 927 | SEAL INCLUDING FLUID PRESSURE DIFFERENTIAL FEATURE |
![]() | ![]() | 928 | SEAL INCLUDING PRESSURE RELIEF OR VENT FEATURE |
![]() | ![]() | 929 | SEAL FEATURE WHERE CHANGE IN OPERATION OR CONDITION INDUCES ADDITIONAL LEAKAGE CONTROL |
![]() | ![]() | 930 | SEAL INCLUDING HEATING OR COOLING FEATURE |
![]() | ![]() | 931 | SEAL INCLUDING TEMPERATURE RESPONSIVE FEATURE |
![]() | ![]() | 934 | SEAL SWELLS WHEN WET |
![]() | ![]() | 935 | SEAL MADE OF A PARTICULAR MATERIAL |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
FOR100 | RADIALLY CONTAINED PACKING WITH AXIALLY ACTING FOLLOWER (277/102) |
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FOR128 | EXTERNALLY OPERATED ADJUSTMENT (277/126) |
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FOR132 | LATERAL ACCESS TO PACKING BOX (277/130) |
FOR135 | IMPELLER TYPE (277/133) |
FOR137 | LIQUID BARRIER (277/135) |
FOR138 | WITH ANTIROTATION KEY OR ANCHOR (277/136) |
FOR140 | WITH DISTINCT RADIALLY ACTING BIAS(277/138) |
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FOR168 | ANCHOR EXTENDING THROUGH OR INTERFITTED WITH PACKING (277/166) |
FOR169 | HELICAL SEAT (277/167) |
FOR170 | SERIALLY ARRANGED, SEPARATELY SEATED OR ANCHORED PACKING MEMBERS (277/167.3) |
FOR171 | SINGLE SEAT FORMED BY OPPOSED RECESSES IN PLURAL MEMBERS (277/167.5) |
FOR172 | LATITUDINALLY STEPPED OR TAPERED SEAT (277/168) |
FOR177 | FLOATING PACKING MEMBER (277/173) |
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FOR182 | INTERFITTING WITH RADIALLY PROJECTING FLANGE (277/178) |
FOR183 | EMBEDDED REENFORCEMENT OPPOSING TAPERED MOUNTED SURFACE (277/179) |
FOR184 | WITH COMPRESSION STOP (277/180) |
FOR185 | PACKING ATTACHED RETAINER (277/181) |
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FOR191 | PACKING CHAMBER OR SEAT WITH SEPARABLE END WALL (277/187) |
FOR192 | WITH AXIALLY RELATED BACKING OR RETAINING MEMBER (277/188 R) |
FOR194 | WITH ANCHOR OR RETAINER (277/189) |
FOR195 | COMPOSITE SEAT (277/189.5) |
FOR196 | WEDGING PORTIONS (277/190) |
FOR198 | SEGMENTAL (277/192) |
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FOR206 | AXIALLY SPACED FLANGES WITH CORRUGATED CONNECTING WEB (277/200) |
FOR207 | ANNULUS WITH DUCT OR PASSAGEWAY (277/201) |
FOR209 | HELICAL (277/203) |
FOR210 | VOLUTE (277/204) |
FOR211 | FLEXIBLE U- OR V-CUP (277/205) |
FOR214 | RIBBED CONTACT SURFACE (277/207 R) |
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FOR220 | FLEXIBLE CUP OR FLANGE TYP(277/212R) |
FOR224 | CORRUGATED CONTACT SURFACE (277/213) |
FOR225 | CIRCUMFERENTIAL GROOVE IN PERIPHERAL SURFACE (277/214) |
FOR226 | WITH SPACED POCKETS, GROOVES, OR RECESSES (277/215) |
FOR227 | SPLIT ANNULUS (227/216) |
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FOR236 | WITH INTERMEDIATE RADIAL PERIPHERAL FLANGE (277/225) |
FOR237 | FLUENT OR VACUUM CORE (277/226) |
FOR238 | COMPOSITE (277/227) |
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FOR249 | METALLIC (277/236) |
FOR250 | MISCELLANEOUS (277/237 R) |
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