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Classification Resources
 
Class   174ELECTRICITY: CONDUCTORS AND INSULATORS
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 [List of Pre Grant Publications for class 174 subclass 1][List of Patents for class 174 subclass 1]1 MISCELLANEOUS
[List of Pre Grant Publications for class 174 subclass 2][List of Patents for class 174 subclass 2]2 LIGHTNING PROTECTION
[List of Pre Grant Publications for class 174 subclass 4R][List of Patents for class 174 subclass 4R]  4R AIR TERMINALS
[List of Pre Grant Publications for class 174 subclass 5R][List of Patents for class 174 subclass 5R]  5R ELECTRIC SHOCK HAZARD PROTECTIVE DEVICES
[List of Pre Grant Publications for class 174 subclass 6][List of Patents for class 174 subclass 6]6 EARTH GROUNDS
[List of Pre Grant Publications for class 174 subclass 8][List of Patents for class 174 subclass 8]8 WITH FLUIDS OR VACUUM
[List of Pre Grant Publications for class 174 subclass 9R][List of Patents for class 174 subclass 9R]  9R Subclass 9R indent level is 1 Current conductive fluid and/or vacuum
 [List of Pre Grant Publications for class 174 subclass 10][List of Patents for class 174 subclass 10]10 Subclass 10 indent level is 1 With cable or conduit preinstallation devices
[List of Pre Grant Publications for class 174 subclass 11R][List of Patents for class 174 subclass 11R]  11R Subclass 11R indent level is 1 With fluid-condition responsive and/or indicating means
[List of Pre Grant Publications for class 174 subclass 12R][List of Patents for class 174 subclass 12R]  12R Subclass 12R indent level is 1 With expansion and contraction means
[List of Pre Grant Publications for class 174 subclass 14R][List of Patents for class 174 subclass 14R]  14R Subclass 14R indent level is 1 With fluid maintenance or conditioning means
[List of Pre Grant Publications for class 174 subclass 15.1][List of Patents for class 174 subclass 15.1]15.1 Subclass 15.1 indent level is 1 With cooling or fluid feeding, circulating or distributing
[List of Pre Grant Publications for class 174 subclass 17R][List of Patents for class 174 subclass 17R]  17R Subclass 17R indent level is 1 Boxes and housings
[List of Pre Grant Publications for class 174 subclass 19][List of Patents for class 174 subclass 19]19 Subclass 19 indent level is 1 Conduit or cable end structure
[List of Pre Grant Publications for class 174 subclass 21R][List of Patents for class 174 subclass 21R]  21R Subclass 21R indent level is 1 Conduit or cable joints
[List of Pre Grant Publications for class 174 subclass 23R][List of Patents for class 174 subclass 23R]  23R Subclass 23R indent level is 1 With fluid stops
[List of Pre Grant Publications for class 174 subclass 24][List of Patents for class 174 subclass 24]24 Subclass 24 indent level is 1 Conduits, cables and conductors
[List of Pre Grant Publications for class 174 subclass 30][List of Patents for class 174 subclass 30]30 Subclass 30 indent level is 1 Insulators
[List of Pre Grant Publications for class 174 subclass 32][List of Patents for class 174 subclass 32]32 ANTI-INDUCTIVE STRUCTURES
[List of Pre Grant Publications for class 174 subclass 37][List of Patents for class 174 subclass 37]37 UNDERGROUND
[List of Pre Grant Publications for class 174 subclass 40R][List of Patents for class 174 subclass 40R]  40R OVERHEAD
 [List of Pre Grant Publications for class 174 subclass 46][List of Patents for class 174 subclass 46]46 HANDLES
 [List of Pre Grant Publications for class 174 subclass 47][List of Patents for class 174 subclass 47]47 COMBINED FLUID CONDUIT AND ELECTRICAL CONDUCTOR
[List of Pre Grant Publications for class 174 subclass 480][List of Patents for class 174 subclass 480]480 WALL MOUNTED
[List of Pre Grant Publications for class 174 subclass 50][List of Patents for class 174 subclass 50]50 BOXES AND HOUSINGS
[List of Pre Grant Publications for class 174 subclass 50.5][List of Patents for class 174 subclass 50.5]50.5 Subclass 50.5 indent level is 1 Hermetic sealed envelope type
 [List of Pre Grant Publications for class 174 subclass 51][List of Patents for class 174 subclass 51]51 Subclass 51 indent level is 1 With grounding means
[List of Pre Grant Publications for class 174 subclass 520][List of Patents for class 174 subclass 520]520 Subclass 520 indent level is 1 With electrical device
[List of Pre Grant Publications for class 174 subclass 650][List of Patents for class 174 subclass 650]650 FEEDTHROUGH OR BUSHING
[List of Pre Grant Publications for class 174 subclass 66][List of Patents for class 174 subclass 66]66 COVERS OR FACE PLATES
[List of Pre Grant Publications for class 174 subclass 68.1][List of Patents for class 174 subclass 68.1]68.1 CONDUITS, CABLES OR CONDUCTORS
 [List of Pre Grant Publications for class 174 subclass 68.2][List of Patents for class 174 subclass 68.2]68.2 Subclass 68.2 indent level is 1 Bus bars or bus ducts (Residual)
 [List of Pre Grant Publications for class 174 subclass 68.3][List of Patents for class 174 subclass 68.3]68.3 Subclass 68.3 indent level is 1 Single duct conduits
[List of Pre Grant Publications for class 174 subclass 250][List of Patents for class 174 subclass 250]250 Subclass 250 indent level is 1 Preformed panel circuit arrangement (e.g., printed circuit)
 [List of Pre Grant Publications for class 174 subclass 69][List of Patents for class 174 subclass 69]69 Subclass 69 indent level is 1 Extensible
[List of Pre Grant Publications for class 174 subclass 70R][List of Patents for class 174 subclass 70R]  70R Subclass 70R indent level is 1 Combined
[List of Pre Grant Publications for class 174 subclass 95][List of Patents for class 174 subclass 95]95 Subclass 95 indent level is 1 Plural duct
 [List of Pre Grant Publications for class 174 subclass 98][List of Patents for class 174 subclass 98]98 Subclass 98 indent level is 1 With embedded conduit-duct or conductor
[List of Pre Grant Publications for class 174 subclass 99R][List of Patents for class 174 subclass 99R]  99R Subclass 99R indent level is 1 With interior conductor or cable supports
 [List of Pre Grant Publications for class 174 subclass 101][List of Patents for class 174 subclass 101]101 Subclass 101 indent level is 1 Removable wall
 [List of Pre Grant Publications for class 174 subclass 101.5][List of Patents for class 174 subclass 101.5]101.5 Subclass 101.5 indent level is 1 Buoyant
[List of Pre Grant Publications for class 174 subclass 102R][List of Patents for class 174 subclass 102R]  102R Subclass 102R indent level is 1 Conductive armor or sheath
[List of Pre Grant Publications for class 174 subclass 110R][List of Patents for class 174 subclass 110R]  110R Subclass 110R indent level is 1 Insulated
 [List of Pre Grant Publications for class 174 subclass 125.1][List of Patents for class 174 subclass 125.1]125.1 Subclass 125.1 indent level is 1 Superconductors
[List of Pre Grant Publications for class 174 subclass 126.1][List of Patents for class 174 subclass 126.1]126.1 Subclass 126.1 indent level is 1 Conductor structure (nonsuperconductive)
[List of Pre Grant Publications for class 174 subclass 135][List of Patents for class 174 subclass 135]135 Subclass 135 indent level is 1 Accessories
[List of Pre Grant Publications for class 174 subclass 137R][List of Patents for class 174 subclass 137R]  137R INSULATORS
[List of Pre Grant Publications for class 174 subclass 138R][List of Patents for class 174 subclass 138R]  138R Subclass 138R indent level is 1 Special application
[List of Pre Grant Publications for class 174 subclass 139][List of Patents for class 174 subclass 139]139 Subclass 139 indent level is 1 Combined
[List of Pre Grant Publications for class 174 subclass 146][List of Patents for class 174 subclass 146]146 Subclass 146 indent level is 1 Mid-line spacers
[List of Pre Grant Publications for class 174 subclass 148][List of Patents for class 174 subclass 148]148 Subclass 148 indent level is 1 Multiple insulator assemblies
[List of Pre Grant Publications for class 174 subclass 151][List of Patents for class 174 subclass 151]151 Subclass 151 indent level is 1 Through wall or plate
[List of Pre Grant Publications for class 174 subclass 154][List of Patents for class 174 subclass 154]154 Subclass 154 indent level is 1 Insulator and conductor embracing holder
[List of Pre Grant Publications for class 174 subclass 156][List of Patents for class 174 subclass 156]156 Subclass 156 indent level is 1 Divided insulator
[List of Pre Grant Publications for class 174 subclass 158R][List of Patents for class 174 subclass 158R]  158R Subclass 158R indent level is 1 With insulator-supporting or attaching means
 [List of Pre Grant Publications for class 174 subclass 167][List of Patents for class 174 subclass 167]167 Subclass 167 indent level is 1 With conductor receiving aperture or bushing type
[List of Pre Grant Publications for class 174 subclass 168][List of Patents for class 174 subclass 168]168 Subclass 168 indent level is 1 With conductor holding means
[List of Pre Grant Publications for class 174 subclass 176][List of Patents for class 174 subclass 176]176 Subclass 176 indent level is 1 With terminal elements
 [List of Pre Grant Publications for class 174 subclass 208][List of Patents for class 174 subclass 208]208 Subclass 208 indent level is 1 Link type
[List of Pre Grant Publications for class 174 subclass 209][List of Patents for class 174 subclass 209]209 Subclass 209 indent level is 1 Sectional, multi-part, composite, or coated
 [List of Pre Grant Publications for class 174 subclass 211][List of Patents for class 174 subclass 211]211 Subclass 211 indent level is 1 With moisture or dirt removing or shedding
 [List of Pre Grant Publications for class 174 subclass 212][List of Patents for class 174 subclass 212]212 Subclass 212 indent level is 1 Surface configuration
 [List of Pre Grant Publications for class 174 subclass 137A][List of Patents for class 174 subclass 137A]137A Subclass 137A indent level is 1 Coated
 [List of Pre Grant Publications for class 174 subclass 137B][List of Patents for class 174 subclass 137B]137B Subclass 137B indent level is 1 Compositions
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or nonpatent literature from subclasses that have been reclassified have been transferred directly to the FOR Collection listed below. These Collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
     ANTI-INDUCTIVE STRUCTURES (174/32)
  FOR100          Subclass FOR100 indent level is 1 Shielded or screened (174/35R)
      FOR101          Subclass FOR101 indent level is 2 Connectors and joints (174/35C)
      FOR102          Subclass FOR102 indent level is 2 Spark plugs, manifolds (174/35SM)
      FOR103          Subclass FOR103 indent level is 2 Gaskets, covers (174/35GC)
      FOR104          Subclass FOR104 indent level is 2 Coils, anti-eddy-current (174/35CE)
      FOR105          Subclass FOR105 indent level is 2 Materials, stock and screen rooms (174/35MS)
      FOR106          Subclass FOR106 indent level is 2 Radio tube shields (174/35TS)
  FOR107          WALL MOUNTED CONDUITS AND/OR HOUSINGS (174/48)
      FOR108          Subclass FOR108 indent level is 1 Plural outlet and/or conduit (174/49)
     BOXES AND HOUSINGS (174/50)
 
DIGESTS
 
 [List of Pre Grant Publications for class 174 subclass DIG1][List of Patents for class 174 subclass DIG1] DIG1 ANTI-TRACKING
 [List of Pre Grant Publications for class 174 subclass DIG2][List of Patents for class 174 subclass DIG2] DIG2 BALLASTS
 [List of Pre Grant Publications for class 174 subclass DIG7][List of Patents for class 174 subclass DIG7] DIG7 SODIUM CONDUCTORS, CONNECTORS, ETC.
 [List of Pre Grant Publications for class 174 subclass DIG8][List of Patents for class 174 subclass DIG8] DIG8 SHRINKABLE TUBES, ETC.
 [List of Pre Grant Publications for class 174 subclass DIG9][List of Patents for class 174 subclass DIG9] DIG9 PULL-OUT CABINET OR DRAWER WITH RETRACTABLE CABLE
 [List of Pre Grant Publications for class 174 subclass DIG10][List of Patents for class 174 subclass DIG10] DIG10 BUSHING WITH CURRENT TRANSFORMERS
 [List of Pre Grant Publications for class 174 subclass DIG11][List of Patents for class 174 subclass DIG11] DIG11 ZIPPER TUBES
 [List of Pre Grant Publications for class 174 subclass DIG12][List of Patents for class 174 subclass DIG12] DIG12 HELICAL PREFORMS
[List of Pre Grant Publications for class 174 subclass DIG13][List of Patents for class 174 subclass DIG13] DIG13 HIGH VOLTAGE CABLE (E.G., ABOVE 10KV, CORONA PREVENTION, ETC.)
 [List of Pre Grant Publications for class 174 subclass DIG34][List of Patents for class 174 subclass DIG34] DIG34 PCB IN BOX OR HOUSING
 [List of Pre Grant Publications for class 174 subclass DIG35][List of Patents for class 174 subclass DIG35] DIG35 BOX OR HOUSING MOUNTED ON SUBSTRATE OR PCB