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Classification Resources
 
Class   52STATIC STRUCTURES (E.G., BUILDINGS)
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 [List of Pre Grant Publications for class 52 subclass 1][List of Patents for class 52 subclass 1]1 CONTROLLED BY CONDITION RESPONSIVE MEANS
[List of Pre Grant Publications for class 52 subclass 2.11][List of Patents for class 52 subclass 2.11]2.11 SHAPED OR STRENGTHENED BY FLUID PRESSURE
[List of Pre Grant Publications for class 52 subclass 3][List of Patents for class 52 subclass 3]3 ARTICLE OR MATERIAL SUPPORTED COVER
[List of Pre Grant Publications for class 52 subclass 6][List of Patents for class 52 subclass 6]6 WITH STADIUM OR AUDITORIUM FEATURE
[List of Pre Grant Publications for class 52 subclass 11][List of Patents for class 52 subclass 11]11 COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY
 [List of Pre Grant Publications for class 52 subclass 17][List of Patents for class 52 subclass 17]17 INSULATED RAILWAY CAR-TYPE ROOF
 [List of Pre Grant Publications for class 52 subclass 18][List of Patents for class 52 subclass 18]18 CLERESTORY OR SAW-TOOTH ROOF
[List of Pre Grant Publications for class 52 subclass 19][List of Patents for class 52 subclass 19]19 WITH ENTRANCE FOR PERSONS OR OBJECTS IN HORIZONTAL OR INCLINED COVER
 [List of Pre Grant Publications for class 52 subclass 22][List of Patents for class 52 subclass 22]22 SPECIFIED ROOF SPACED FROM CEILING
 [List of Pre Grant Publications for class 52 subclass 23][List of Patents for class 52 subclass 23]23 COVER WITH EXTERIOR HOLDDOWN
[List of Pre Grant Publications for class 52 subclass 24][List of Patents for class 52 subclass 24]24 COVER WITH PROJECTING RESTRAINER; E.G., SNOW STOP
[List of Pre Grant Publications for class 52 subclass 27][List of Patents for class 52 subclass 27]27 INCLUDING COMPONENT (E.G., WALL) DESIGNED TO RECEIVE A DISPARATE ARTICLE HAVING DISPARATE ARTICLE MOUNTED THERETO
[List of Pre Grant Publications for class 52 subclass 41][List of Patents for class 52 subclass 41]41 ROOF RUNNING BOARD OR SADDLE
[List of Pre Grant Publications for class 52 subclass 45][List of Patents for class 52 subclass 45]45 RAILROAD CAR ROOF CONSTRUCTION
 [List of Pre Grant Publications for class 52 subclass 57][List of Patents for class 52 subclass 57]57 ROOF FINIAL OR CRESTING
[List of Pre Grant Publications for class 52 subclass 58][List of Patents for class 52 subclass 58]58 EXTERIOR-TYPE FLASHING
 [List of Pre Grant Publications for class 52 subclass 63][List of Patents for class 52 subclass 63]63 ENCLOSURE INCLUDING FLACCID NONMETALLIC OR FORAMINOUS SURFACING
[List of Pre Grant Publications for class 52 subclass 64][List of Patents for class 52 subclass 64]64 BARRIER OR MAJOR SECTION MOUNTED FOR IN SITU REPOSITIONING; E.G., REARRANGEABLE OR ROTATABLE
[List of Pre Grant Publications for class 52 subclass 73][List of Patents for class 52 subclass 73]73 RIGID BARRIER CANTILEVERED FROM VERTICAL SUPPORT
[List of Pre Grant Publications for class 52 subclass 79.1][List of Patents for class 52 subclass 79.1]79.1 PREASSEMBLED SUBENCLOSURE OR SUBSTRUCTURE SECTION(S) OF UNIT OR BUILDING
[List of Pre Grant Publications for class 52 subclass 80.1][List of Patents for class 52 subclass 80.1]80.1 COMPOUND CURVE STRUCTURE
 [List of Pre Grant Publications for class 52 subclass 82][List of Patents for class 52 subclass 82]82 CONICAL OR RADIALLY RIBBED COVER
 [List of Pre Grant Publications for class 52 subclass 83][List of Patents for class 52 subclass 83]83 COVER OR ENCLOSURE SUSPENDED BY FLEXIBLE MEANS
 [List of Pre Grant Publications for class 52 subclass 84][List of Patents for class 52 subclass 84]84 STREAMLINE CROSS-SECTION; I.E., AIRFOIL
 [List of Pre Grant Publications for class 52 subclass 85][List of Patents for class 52 subclass 85]85 CURVILINEAR PORTAL WITH SETTABLE MATERIAL BACKER
[List of Pre Grant Publications for class 52 subclass 86][List of Patents for class 52 subclass 86]86 VERTICALLY CURVED ARCH WITH TERMINAL SUPPORT
[List of Pre Grant Publications for class 52 subclass 90.1][List of Patents for class 52 subclass 90.1]90.1 INCLINED TOP COVER (E.G., ROOF, A-FRAME)
[List of Pre Grant Publications for class 52 subclass 94][List of Patents for class 52 subclass 94]94 GABLE OR EAVE TERMINAL CONSTRUCTION
 [List of Pre Grant Publications for class 52 subclass 97][List of Patents for class 52 subclass 97]97 EXTERNALLY PROJECTING LIQUID DEFLECTOR
[List of Pre Grant Publications for class 52 subclass 98][List of Patents for class 52 subclass 98]98 FRANGIBLE SECTION OR MEANS
 [List of Pre Grant Publications for class 52 subclass 101][List of Patents for class 52 subclass 101]101 ANIMAL BLOCKING LATERAL PROJECTION, TRAP, OR SCARER
 [List of Pre Grant Publications for class 52 subclass 102][List of Patents for class 52 subclass 102]102 EARTH-SUPPORTED COPING OR EDGING
[List of Pre Grant Publications for class 52 subclass 103][List of Patents for class 52 subclass 103]103 LAND MARKER OR MONUMENT
 [List of Pre Grant Publications for class 52 subclass 105][List of Patents for class 52 subclass 105]105 WITH INDICIA
 [List of Pre Grant Publications for class 52 subclass 106][List of Patents for class 52 subclass 106]106 JAIL-TYPE STRUCTURE
 [List of Pre Grant Publications for class 52 subclass 107][List of Patents for class 52 subclass 107]107 AREAWAY; E.G., WINDOW WELL
 [List of Pre Grant Publications for class 52 subclass 108][List of Patents for class 52 subclass 108]108 STRIPLIKE UNIT, REVERSIBLY FLEXIBLE AND RIGID
 [List of Pre Grant Publications for class 52 subclass 109][List of Patents for class 52 subclass 109]109 LAZY TONG EXTENSION UNIT
 [List of Pre Grant Publications for class 52 subclass 110][List of Patents for class 52 subclass 110]110 SHAFT, VEHICLE SHELL ATTACHED; E.G., ANTENNA
[List of Pre Grant Publications for class 52 subclass 111][List of Patents for class 52 subclass 111]111 MECHANISM OPERATED RELATIVELY MOVABLE SHAFT ASSEMBLY
[List of Pre Grant Publications for class 52 subclass 122.1][List of Patents for class 52 subclass 122.1]122.1 WITH LIFTING OR HANDLING MEANS FOR PRIMARY COMPONENT OR ASSEMBLY
[List of Pre Grant Publications for class 52 subclass 127.1][List of Patents for class 52 subclass 127.1]127.1 WITH ADJUNCTIVE MEANS FOR ASSEMBLY OR DISASSEMBLY
[List of Pre Grant Publications for class 52 subclass 128][List of Patents for class 52 subclass 128]128 BURIAL VAULT
 [List of Pre Grant Publications for class 52 subclass 143][List of Patents for class 52 subclass 143]143 WITH TRANSPORTING FEATURE
[List of Pre Grant Publications for class 52 subclass 144][List of Patents for class 52 subclass 144]144 WITH EXPOSED CONFIGURATION HAVING ACOUSTICAL FUNCTION
[List of Pre Grant Publications for class 52 subclass 146][List of Patents for class 52 subclass 146]146 VERTICAL STRUCTURE WITH BRACE, OR GUY, EXTENDING DIAGONALLY TO A BASE
[List of Pre Grant Publications for class 52 subclass 153][List of Patents for class 52 subclass 153]153 SHAFT WITH EMBEDDING WING-TYPE BRACE
[List of Pre Grant Publications for class 52 subclass 155][List of Patents for class 52 subclass 155]155 WITH PIERCING OR EXPANDING EARTH ANCHOR
 [List of Pre Grant Publications for class 52 subclass 166][List of Patents for class 52 subclass 166]166 DEADMAN-TYPE ANCHOR
[List of Pre Grant Publications for class 52 subclass 167.1][List of Patents for class 52 subclass 167.1]167.1 MEANS COMPENSATING EARTH-TRANSMITTED FORCE (E.G., EARTHQUAKE)
 [List of Pre Grant Publications for class 52 subclass 168][List of Patents for class 52 subclass 168]168 WITH PROTECTIVE LIQUID SUPPLY
[List of Pre Grant Publications for class 52 subclass 169.1][List of Patents for class 52 subclass 169.1]169.1 SPECIFIED TERRANEAN RELATIONSHIP
 [List of Pre Grant Publications for class 52 subclass 171.1][List of Patents for class 52 subclass 171.1]171.1 VIEWING PORT FOR SPECIFIC ENVIRONMENT
 [List of Pre Grant Publications for class 52 subclass 171.2][List of Patents for class 52 subclass 171.2]171.2 VEHICLE-TYPE WINDSHIELD DEFOGGER OR DEICER
[List of Pre Grant Publications for class 52 subclass 171.3][List of Patents for class 52 subclass 171.3]171.3 TRANSPARENT PANEL HAVING ACTIVE TREATMENT WITH GAS OR LIQUID
[List of Pre Grant Publications for class 52 subclass 173.1][List of Patents for class 52 subclass 173.1]173.1 COMBINED
[List of Pre Grant Publications for class 52 subclass 174][List of Patents for class 52 subclass 174]174 WITH TRAFFIC-GUIDING FEATURE
[List of Pre Grant Publications for class 52 subclass 177][List of Patents for class 52 subclass 177]177 SPECIFIED WEAR OR FRICTION-TYPE TRAFFIC-CARRYING SURFACE
[List of Pre Grant Publications for class 52 subclass 182][List of Patents for class 52 subclass 182]182 STEPPED; E.G., STAIR
[List of Pre Grant Publications for class 52 subclass 192][List of Patents for class 52 subclass 192]192 FLUENT MATERIAL HOPPER OR STORAGE CONTAINER WITH MATERIAL PORT
[List of Pre Grant Publications for class 52 subclass 198][List of Patents for class 52 subclass 198]198 ENCLOSURE OR COVER, WITH SUPPLEMENTAL FLUID-GUIDING PORT BETWEEN AMBIENT AND ENCLOSED USABLE SPACE (E.G., ROOF RIDGE VENT)
 [List of Pre Grant Publications for class 52 subclass 200][List of Patents for class 52 subclass 200]200 CUPOLA OR SKYLIGHT
 [List of Pre Grant Publications for class 52 subclass 201][List of Patents for class 52 subclass 201]201 BAY WINDOW
[List of Pre Grant Publications for class 52 subclass 202][List of Patents for class 52 subclass 202]202 AUXILIARY IMPERFORATE PANEL-LIKE SHIELD ATTACHED TO MAIN PANEL, BARRIER, OR FRAME
[List of Pre Grant Publications for class 52 subclass 204.1][List of Patents for class 52 subclass 204.1]204.1 FRAMING TO RECEIVE DOOR, DOORJAMB, OR WINDOW SASH
[List of Pre Grant Publications for class 52 subclass 204.5][List of Patents for class 52 subclass 204.5]204.5 WINDOW OR WINDOW SASH, SILL, MULLION, OR GLAZING
 [List of Pre Grant Publications for class 52 subclass 204.51][List of Patents for class 52 subclass 204.51]204.51 Subclass 204.51 indent level is 1 Having a fixed pane and a movable pane
 [List of Pre Grant Publications for class 52 subclass 208][List of Patents for class 52 subclass 208]208 Subclass 208 indent level is 1 Panel or panel edging, directly clamped or adhered to wall
[List of Pre Grant Publications for class 52 subclass 209][List of Patents for class 52 subclass 209]209 Subclass 209 indent level is 1 Having a drain or vent
[List of Pre Grant Publications for class 52 subclass 204.53][List of Patents for class 52 subclass 204.53]204.53 Subclass 204.53 indent level is 1 Architrave; i.e., molding or finish strip touching pane face
[List of Pre Grant Publications for class 52 subclass 204.55][List of Patents for class 52 subclass 204.55]204.55 Subclass 204.55 indent level is 1 Sash having integral securing means (e.g., nailing strip)
 [List of Pre Grant Publications for class 52 subclass 204.57][List of Patents for class 52 subclass 204.57]204.57 Subclass 204.57 indent level is 1 Intersection of panes having coextensive exposed sustainer (i.e., corner)
 [List of Pre Grant Publications for class 52 subclass 204.58][List of Patents for class 52 subclass 204.58]204.58 Subclass 204.58 indent level is 1 Finite tie for intersection of panes (i.e., corner)
 [List of Pre Grant Publications for class 52 subclass 204.59][List of Patents for class 52 subclass 204.59]204.59 Subclass 204.59 indent level is 1 Ornamental type; e.g., stained glass or mosaic type
[List of Pre Grant Publications for class 52 subclass 204.591][List of Patents for class 52 subclass 204.591]204.591 Subclass 204.591 indent level is 1 Spacing pane from disparate edging
 [List of Pre Grant Publications for class 52 subclass 204.6][List of Patents for class 52 subclass 204.6]204.6 Subclass 204.6 indent level is 1 Multiple panes within a sash
 [List of Pre Grant Publications for class 52 subclass 204.61][List of Patents for class 52 subclass 204.61]204.61 Subclass 204.61 indent level is 1 Decorative grill attached to sash
[List of Pre Grant Publications for class 52 subclass 204.62][List of Patents for class 52 subclass 204.62]204.62 Subclass 204.62 indent level is 1 Attaching means securing a pane to a sash member or to another pane
[List of Pre Grant Publications for class 52 subclass 204.71][List of Patents for class 52 subclass 204.71]204.71 Subclass 204.71 indent level is 1 U-shaped channel formed of separate strips overlapping pane edge, front, and back
 [List of Pre Grant Publications for class 52 subclass 218][List of Patents for class 52 subclass 218]218 FLUE WITH GASEOUS FLUID-DIRECTING FEATURE
 [List of Pre Grant Publications for class 52 subclass 219][List of Patents for class 52 subclass 219]219 FLUE CONNECTION TO BUILDING STRUCTURE
[List of Pre Grant Publications for class 52 subclass 220.1][List of Patents for class 52 subclass 220.1]220.1 WALL, CEILING, OR FLOOR DESIGNED FOR UTILITIES
 [List of Pre Grant Publications for class 52 subclass 222][List of Patents for class 52 subclass 222]222 TENSIONED OR FLEXED SHEET FACING
[List of Pre Grant Publications for class 52 subclass 223.1][List of Patents for class 52 subclass 223.1]223.1 WITH COMPONENT HAVING DISCRETE PRESTRESSING MEANS
 [List of Pre Grant Publications for class 52 subclass 231][List of Patents for class 52 subclass 231]231 MONOLITH WITH SUSTAINER AND MEANS TENSIONING ADDITIONAL REINFORCEMENT
 [List of Pre Grant Publications for class 52 subclass 232][List of Patents for class 52 subclass 232]232 IRREVERSIBLY REACTIVE COMPONENT
 [List of Pre Grant Publications for class 52 subclass 233][List of Patents for class 52 subclass 233]233 LOG WALL-TYPE CONSTRUCTION
[List of Pre Grant Publications for class 52 subclass 234][List of Patents for class 52 subclass 234]234 MULTIROOM OR LEVEL
 [List of Pre Grant Publications for class 52 subclass 244][List of Patents for class 52 subclass 244]244 TUBULAR STRUCTURE WITH EXPOSED TERMINUS EDGE PROTECTOR
[List of Pre Grant Publications for class 52 subclass 245][List of Patents for class 52 subclass 245]245 CURVILINEAR BARRIER
[List of Pre Grant Publications for class 52 subclass 250][List of Patents for class 52 subclass 250]250 INTERSECTION OF A CAST STONELIKE COMPONENT (E.G., CONCRETE FLOOR OR WALL) TO ANOTHER COMPONENT (E.G., WALL)
[List of Pre Grant Publications for class 52 subclass 261][List of Patents for class 52 subclass 261]261 THREE-WAY CORNER CONSTRUCTION (E.G., TWO WALLS AND A FLOOR)
[List of Pre Grant Publications for class 52 subclass 272][List of Patents for class 52 subclass 272]272 INTERSECTION OF WALL TO FLOOR, CEILING, ROOF, OR ANOTHER WALL (I.E., TWO-WAY CORNER CONSTRUCTION)
[List of Pre Grant Publications for class 52 subclass 287.1][List of Patents for class 52 subclass 287.1]287.1 CONDUIT, TRIM, OR SHIELD MEMBER AT CORNER
 [List of Pre Grant Publications for class 52 subclass 289][List of Patents for class 52 subclass 289]289 COPLANAR SUSTAINERS; E.G., JOIST TO WALL (SEE 52/702)
 [List of Pre Grant Publications for class 52 subclass 290][List of Patents for class 52 subclass 290]290 OPPOSED STRIP SECTIONS (BASEBOARDS) AND OUTWARDLY EXTENDING SUSTAINER
 [List of Pre Grant Publications for class 52 subclass 291][List of Patents for class 52 subclass 291]291 ADJUSTABLE STRESSING MEANS; E.G., WARP CORRECTION
[List of Pre Grant Publications for class 52 subclass 292][List of Patents for class 52 subclass 292]292 FOOTING OR FOUNDATION TYPE
[List of Pre Grant Publications for class 52 subclass 300][List of Patents for class 52 subclass 300]300 VERTICAL STRUCTURE WITH UPPER TERMINAL BEARING PLATE OR CAP
[List of Pre Grant Publications for class 52 subclass 302.1][List of Patents for class 52 subclass 302.1]302.1 WALL, CEILING, FLOOR, OR ROOF DESIGNED FOR VENTILATION OR DRAINAGE
[List of Pre Grant Publications for class 52 subclass 306][List of Patents for class 52 subclass 306]306 VISIBLE TRANSLUCENT BLOCK OR EMBEDDED COMPONENT
[List of Pre Grant Publications for class 52 subclass 309.1][List of Patents for class 52 subclass 309.1]309.1 WITH SYNTHETIC RESINOUS COMPONENT
 [List of Pre Grant Publications for class 52 subclass 310][List of Patents for class 52 subclass 310]310 MEANS REMOVING EXCESS MOISTURE FROM CAST IN SITU MASS
[List of Pre Grant Publications for class 52 subclass 311.1][List of Patents for class 52 subclass 311.1]311.1 ORNAMENTAL: COLOR, THICKNESS VARIATION, OR DISSIMILAR ELEMENTS FORMING PATTERN
 [List of Pre Grant Publications for class 52 subclass 317][List of Patents for class 52 subclass 317]317 DRAFT STOP BETWEEN STUDS; E.G., FIRE STOP
 [List of Pre Grant Publications for class 52 subclass 318][List of Patents for class 52 subclass 318]318 MONOLITHIC BARRIER WITH REVEALED INTERSECTING STIFFENERS; E.G., TERRAZO
[List of Pre Grant Publications for class 52 subclass 319][List of Patents for class 52 subclass 319]319 CAST IN SITU CONCRETE BARRIER WITH LATERALLY PROJECTING RIB-TYPE SUSTAINER
[List of Pre Grant Publications for class 52 subclass 342][List of Patents for class 52 subclass 342]342 OPENLY SPACED SLAT-TYPE LATH
[List of Pre Grant Publications for class 52 subclass 344][List of Patents for class 52 subclass 344]344 SETTABLE MATERIAL RECEIVING BACKER FIXED TO FURRING, JOIST, OR STUD
[List of Pre Grant Publications for class 52 subclass 364][List of Patents for class 52 subclass 364]364 INSTALLED SCREED OR UNIT WITH SPECIFIED FEATURE RETAINING PENETRATING FASTENER
[List of Pre Grant Publications for class 52 subclass 378][List of Patents for class 52 subclass 378]378 CAST IN SITU LOADING BEARING MONOLITH WITH COEXTENSIVE SECTION AND TIE
[List of Pre Grant Publications for class 52 subclass 380][List of Patents for class 52 subclass 380]380 CAST IN SITU BARRIER CONSTRUCTION DEFINING ISOLATED SPACE
[List of Pre Grant Publications for class 52 subclass 384][List of Patents for class 52 subclass 384]384 VENEER TILES HELD BY NONLOAD-BEARING GRID
[List of Pre Grant Publications for class 52 subclass 390][List of Patents for class 52 subclass 390]390 ADHERED COPLANAR VENEER TILE-TYPE FACER; E.G., PARQUET
[List of Pre Grant Publications for class 52 subclass 393][List of Patents for class 52 subclass 393]393 RELATIVELY YIELDABLE PREFORMED SEPARATOR (I.E., EXPANSION JOINT)
 [List of Pre Grant Publications for class 52 subclass 403.1][List of Patents for class 52 subclass 403.1]403.1 UNDERLYING COMPRESSIBLE LAYER OR PAD (E.G., FLOOR SYSTEMS)
[List of Pre Grant Publications for class 52 subclass 404.1][List of Patents for class 52 subclass 404.1]404.1 INSULATING INSERT; E.G., FILLER IN CAVITY IN PRECONSTRUCTED OR CAST STRUCTURE
[List of Pre Grant Publications for class 52 subclass 408][List of Patents for class 52 subclass 408]408 DISPARATE SHEET LAMINA BETWEEN EXPOSED SURFACES OF WALL, FLOOR, OR ROOF (E.G., VAPOR BARRIER, WATERPROOFING MEMBRANE)
 [List of Pre Grant Publications for class 52 subclass 414][List of Patents for class 52 subclass 414]414 CAST IN SITU COMPOSITE SLAB (E.G., STEEL-CONCRETE)
[List of Pre Grant Publications for class 52 subclass 415][List of Patents for class 52 subclass 415]415 FACERS; E.G., MODULES, MUTUALLY BONDED BY INTERNAL SETTABLE MATERIAL SECTION
[List of Pre Grant Publications for class 52 subclass 443][List of Patents for class 52 subclass 443]443 WITH MEANS (E.G., APERTURES, PROJECTIONS) FOR RECEIVING SETTABLE MATERIAL FACING (E.G., PLASTER)
[List of Pre Grant Publications for class 52 subclass 455][List of Patents for class 52 subclass 455]455 SECTIONED IMPERFORATE FACING WITHIN PERPHERAL FRAME; E.G., PLURAL PANEL DOOR
[List of Pre Grant Publications for class 52 subclass 459][List of Patents for class 52 subclass 459]459 BRIDGER STRIP HIDING JUNCTURE OF PANELS
 [List of Pre Grant Publications for class 52 subclass 473][List of Patents for class 52 subclass 473]473 LOUVERED PANEL
[List of Pre Grant Publications for class 52 subclass 474][List of Patents for class 52 subclass 474]474 FACER HELD BY STIFFENER-TYPE FRAME
[List of Pre Grant Publications for class 52 subclass 475.1][List of Patents for class 52 subclass 475.1]475.1 Subclass 475.1 indent level is 1 Self-supporting section (e.g., facing) attached to nonload bearing framing
 [List of Pre Grant Publications for class 52 subclass 478][List of Patents for class 52 subclass 478]478 Subclass 478 indent level is 1 Lapped multiplanar surfacing attached to substructure arrangement
[List of Pre Grant Publications for class 52 subclass 479][List of Patents for class 52 subclass 479]479 Subclass 479 indent level is 1 Back-to-back facers spaced by concealed framing
 [List of Pre Grant Publications for class 52 subclass 482][List of Patents for class 52 subclass 482]482 Subclass 482 indent level is 1 Frame with ductile-type deformable grip
[List of Pre Grant Publications for class 52 subclass 483.1][List of Patents for class 52 subclass 483.1]483.1 Subclass 483.1 indent level is 1 Facer back abuts and conceals frame
 [List of Pre Grant Publications for class 52 subclass 762][List of Patents for class 52 subclass 762]762 Subclass 762 indent level is 1 Facer between exposed frame members having unitary flanges or integral retainer for attachment to frame
 [List of Pre Grant Publications for class 52 subclass 763][List of Patents for class 52 subclass 763]763 Subclass 763 indent level is 1 Interkeyed edge configurations of adjacent facers cooperate with shaft
[List of Pre Grant Publications for class 52 subclass 764][List of Patents for class 52 subclass 764]764 Subclass 764 indent level is 1 Facer attached between exposed frame members
 [List of Pre Grant Publications for class 52 subclass 781.3][List of Patents for class 52 subclass 781.3]781.3 Subclass 781.3 indent level is 1 Additional stiffener between facer and frame
 [List of Pre Grant Publications for class 52 subclass 781.5][List of Patents for class 52 subclass 781.5]781.5 Subclass 781.5 indent level is 1 Preformed concrete frame
 [List of Pre Grant Publications for class 52 subclass 761][List of Patents for class 52 subclass 761]761 Subclass 761 indent level is 1 Frame member substantially cylindrical in cross-section
[List of Pre Grant Publications for class 52 subclass 503][List of Patents for class 52 subclass 503]503 HOLLOW BLOCKS ARRANGED TO FORM PASSAGEWAY
[List of Pre Grant Publications for class 52 subclass 506.01][List of Patents for class 52 subclass 506.01]506.01 SHEETLIKE ELEMENT ASSEMBLED PARALLEL TO EXISTING WALL, CEILING, OR FLOOR (E.G., INSULATING PANEL, SHEATHING)
[List of Pre Grant Publications for class 52 subclass 514][List of Patents for class 52 subclass 514]514 WITH MEANS FOR SPLIT-PREVENTION OR DAMAGED PART REPAIR
[List of Pre Grant Publications for class 52 subclass 515][List of Patents for class 52 subclass 515]515 WITH DISPARATE PROTECTIVE COATING
[List of Pre Grant Publications for class 52 subclass 518][List of Patents for class 52 subclass 518]518 LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE
[List of Pre Grant Publications for class 52 subclass 561][List of Patents for class 52 subclass 561]561 LATERALLY RELATED, INDIVIDUALLY ASSEMBLED COURSES
 [List of Pre Grant Publications for class 52 subclass 573.1][List of Patents for class 52 subclass 573.1]573.1 INCLUDING DESIGN FEATURE (E.G., INTEGRAL CORRUGATION, TENSIONERS) ACCOMMODATING DIMENSIONAL VARIATION RESPONSIVE TO CHANGING CONDITIONS
 [List of Pre Grant Publications for class 52 subclass 574][List of Patents for class 52 subclass 574]574 IDENTICAL BLOCKS OR MODULAR PANELS FITTED TO REVERSED BLOCKS OR PANELS (E.G., T-SHAPE ATTACHED TO INVERTED T-SHAPE)
 [List of Pre Grant Publications for class 52 subclass 575][List of Patents for class 52 subclass 575]575 TRAPEZOID-SHAPED BLOCK (E.G., KEYSTONE)
[List of Pre Grant Publications for class 52 subclass 576][List of Patents for class 52 subclass 576]576 HAVING MEANS (E.G., HOLLOW FORM OR CORE) FORMING CAVITY, CORE, OR CELL IN SLAB
[List of Pre Grant Publications for class 52 subclass 578][List of Patents for class 52 subclass 578]578 MODULE OR PANEL HAVING DISCRETE EDGEWISE OR FACE-TO-FACE CONNECTING FEATURE
[List of Pre Grant Publications for class 52 subclass 596][List of Patents for class 52 subclass 596]596 OPAQUE STONELIKE MODULE
[List of Pre Grant Publications for class 52 subclass 782.1][List of Patents for class 52 subclass 782.1]782.1 COMPOSITE PREFABRICATED PANEL INCLUDING ADJUNCTIVE MEANS
 [List of Pre Grant Publications for class 52 subclass 782.11][List of Patents for class 52 subclass 782.11]782.11 Subclass 782.11 indent level is 1 Railroad car door
[List of Pre Grant Publications for class 52 subclass 782.2][List of Patents for class 52 subclass 782.2]782.2 Subclass 782.2 indent level is 1 Rimmed furniture top formed of face-to-face sheets
[List of Pre Grant Publications for class 52 subclass 783.1][List of Patents for class 52 subclass 783.1]783.1 Subclass 783.1 indent level is 1 Sandwich or hollow with sheet-like facing members
[List of Pre Grant Publications for class 52 subclass 796.1][List of Patents for class 52 subclass 796.1]796.1 Subclass 796.1 indent level is 1 Face-to-face sheets in substantially continuous contact
 [List of Pre Grant Publications for class 52 subclass 798.1][List of Patents for class 52 subclass 798.1]798.1 Subclass 798.1 indent level is 1 Corrugated or embossed panel having separate attached, elongated edging or stiffener
[List of Pre Grant Publications for class 52 subclass 799.1][List of Patents for class 52 subclass 799.1]799.1 Subclass 799.1 indent level is 1 Perforate panel having separate attached, elongated edging or stiffener
[List of Pre Grant Publications for class 52 subclass 800.1][List of Patents for class 52 subclass 800.1]800.1 Subclass 800.1 indent level is 1 Having separate attached, elongated edging or stiffener
 [List of Pre Grant Publications for class 52 subclass 630][List of Patents for class 52 subclass 630]630 IMPERFORATE PANEL WITH INTEGRAL REINFORCING
 [List of Pre Grant Publications for class 52 subclass 631][List of Patents for class 52 subclass 631]631 CORNER FORMED BY LAMINATE WITH BENT FACING SECTION
 [List of Pre Grant Publications for class 52 subclass 632][List of Patents for class 52 subclass 632]632 SHAFT OR OPENWORK, AXIALLY EXTENSIBLE
[List of Pre Grant Publications for class 52 subclass 633][List of Patents for class 52 subclass 633]633 OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR
[List of Pre Grant Publications for class 52 subclass 634][List of Patents for class 52 subclass 634]634 Subclass 634 indent level is 1 Truss with unitary chord and web; e.g., sheet metal
[List of Pre Grant Publications for class 52 subclass 637][List of Patents for class 52 subclass 637]637 Subclass 637 indent level is 1 Superimposed three-dimensional units
[List of Pre Grant Publications for class 52 subclass 639][List of Patents for class 52 subclass 639]639 Subclass 639 indent level is 1 Curvilinear or peaked truss
[List of Pre Grant Publications for class 52 subclass 645][List of Patents for class 52 subclass 645]645 Subclass 645 indent level is 1 Components adjustably or collapsibly connected
 [List of Pre Grant Publications for class 52 subclass 647][List of Patents for class 52 subclass 647]647 Subclass 647 indent level is 1 Wire connected to flange of I- or T-type member
[List of Pre Grant Publications for class 52 subclass 648.1][List of Patents for class 52 subclass 648.1]648.1 Subclass 648.1 indent level is 1 Three-dimensional space-defining
[List of Pre Grant Publications for class 52 subclass 656.1][List of Patents for class 52 subclass 656.1]656.1 Subclass 656.1 indent level is 1 Outside corner or peripherally bordered (i.e., framing, etc.)
 [List of Pre Grant Publications for class 52 subclass 659][List of Patents for class 52 subclass 659]659 Subclass 659 indent level is 1 Embedded-type free, discrete elements; e.g., set or rings
[List of Pre Grant Publications for class 52 subclass 660][List of Patents for class 52 subclass 660]660 Subclass 660 indent level is 1 Fabric or lattice; e.g., indeterminate grating
[List of Pre Grant Publications for class 52 subclass 677][List of Patents for class 52 subclass 677]677 Subclass 677 indent level is 1 Spacer-positioner; e.g., rebar chair
[List of Pre Grant Publications for class 52 subclass 690][List of Patents for class 52 subclass 690]690 Subclass 690 indent level is 1 Side-by-side terminus shafts; e.g., truss
 [List of Pre Grant Publications for class 52 subclass 697][List of Patents for class 52 subclass 697]697 Subclass 697 indent level is 1 Shaft with truss-braced cross-arm
[List of Pre Grant Publications for class 52 subclass 698][List of Patents for class 52 subclass 698]698 ASSEMBLED IN SITU-TYPE ANCHOR OR TIE
[List of Pre Grant Publications for class 52 subclass 716.1][List of Patents for class 52 subclass 716.1]716.1 IN SITU ATTACHED-TYPE CHANNEL OR TRIM STRIP (E.G., EDGING)
 [List of Pre Grant Publications for class 52 subclass 719][List of Patents for class 52 subclass 719]719 CROSSED REINFORCING RODS WITH CONNECTOR
[List of Pre Grant Publications for class 52 subclass 831][List of Patents for class 52 subclass 831]831 ELONGATED RIGID STRUCTURE (E.G., BEAM, COLUMN, GIRDER, SHAFT, REINFORCING BAR OR ROD, ETC.)
[List of Pre Grant Publications for class 52 subclass 741.1][List of Patents for class 52 subclass 741.1]741.1 PROCESSES
[List of Pre Grant Publications for class 52 subclass 749.1][List of Patents for class 52 subclass 749.1]749.1 MACHINE OR IMPLEMENT
 [List of Pre Grant Publications for class 52 subclass 750][List of Patents for class 52 subclass 750]750 MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 52 subclass 900][List of Patents for class 52 subclass 900]900 HAZARDOUS MATERIAL PERMEATION PREVENTION (E.G., RADON)
 
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 Collections 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.
  FOR100          SHAFT (I.E., ELONGATED RIGID STRUCTURE) (52/720.1)
      FOR101          Subclass FOR101 indent level is 1 Baluster type (e.g., newel post, spindle, etc.) (52/720.2)
      FOR102          Subclass FOR102 indent level is 1 Security bar (52/720.3)
  FOR103          Subclass FOR103 indent level is 1 Stone-like component (e.g., concrete, etc.) (52/721.1)
  FOR116          Subclass FOR116 indent level is 1 End-to-end connected sections (52/726.1)
      FOR117          Subclass FOR117 indent level is 2 Beam (52/726.2)
  FOR118          Subclass FOR118 indent level is 2 Upright (52/726.3)
      FOR119          Subclass FOR119 indent level is 3 Utility pole (52/726.4)
      FOR120          Subclass FOR120 indent level is 3 Chimney, flue, etc. (52/726.5)
  FOR121          Subclass FOR121 indent level is 1 I-beam (52/729.1)
  FOR122          Subclass FOR122 indent level is 2 Compound construction (52/729.2)
      FOR123          Subclass FOR123 indent level is 3 Corrugated web (52/729.3)
      FOR124          Subclass FOR124 indent level is 3 Wooden component (52/729.4)
      FOR125          Subclass FOR125 indent level is 2 Folded sheet material (52/729.5)
  FOR126          Subclass FOR126 indent level is 1 Longitudinally related strip-like sections (52/730.1)
      FOR145          Subclass FOR145 indent level is 1 Ceiling hanger (52/733.1)
  FOR146          Subclass FOR146 indent level is 1 Stud, furring strip, lath strip, etc. (52/733.2)
  FOR149          Subclass FOR149 indent level is 1 For closure or closure portal (52/734.1)
      FOR151          Subclass FOR151 indent level is 1 For vehicle (52/735.1)
  FOR152          Subclass FOR152 indent level is 1 Upright (e.g., post, pole, etc.) (52/736.1)
  FOR156          Subclass FOR156 indent level is 1 Girder, column, etc. (52/737.1)
      FOR162          Subclass FOR162 indent level is 1 Having shell-like outer layer (52/738.1)
      FOR163          Subclass FOR163 indent level is 1 Strut (52/739.1)
  FOR164          Subclass FOR164 indent level is 1 Tension member (e.g., rebar, etc.) (52/740.1)
      FOR165          Subclass FOR165 indent level is 2 Embossed or dimpled (52/740.2)
  FOR166          Subclass FOR166 indent level is 2 Ribbed (52/740.3)
      FOR167          Subclass FOR167 indent level is 3 Longitudinal (52/740.4)
      FOR168          Subclass FOR168 indent level is 3 Spiral (52/740.5)
  FOR169          Subclass FOR169 indent level is 2 Having projection which is one piece with shaft (52/740.6)
      FOR171          Subclass FOR171 indent level is 2 Sinuous curve type (52/740.8)
      FOR172          Subclass FOR172 indent level is 2 Axially twisted (52/740.9)
 
DIGESTS
 
 [List of Pre Grant Publications for class 52 subclass DIG1][List of Patents for class 52 subclass DIG1] DIG1 HAND TOOLS FOR ASSEMBLING BUILDING COMPONENTS
 [List of Pre Grant Publications for class 52 subclass DIG2][List of Patents for class 52 subclass DIG2] DIG2 MASONRY LATTICE OR OPENWORK
 [List of Pre Grant Publications for class 52 subclass DIG3][List of Patents for class 52 subclass DIG3] DIG3 TRAILER OR MOBILE HOME SKIRT
 [List of Pre Grant Publications for class 52 subclass DIG4][List of Patents for class 52 subclass DIG4] DIG4 MAGNETIC CONNECTING MEANS FOR BUILDING COMPONENTS
 [List of Pre Grant Publications for class 52 subclass DIG5][List of Patents for class 52 subclass DIG5] DIG5 DESIGNED FOR THERMAL DISTORTION
 [List of Pre Grant Publications for class 52 subclass DIG6][List of Patents for class 52 subclass DIG6] DIG6 TOOTHED CONNECTING MEANS
 [List of Pre Grant Publications for class 52 subclass DIG7][List of Patents for class 52 subclass DIG7] DIG7 SYNTHETIC BUILDING MATERIALS, REINFORCEMENTS AND EQUIVALENTS (E.G., RUBINSTEIN PATS.)
 [List of Pre Grant Publications for class 52 subclass DIG8][List of Patents for class 52 subclass DIG8] DIG8 IMITATION BEAMS
 [List of Pre Grant Publications for class 52 subclass DIG9][List of Patents for class 52 subclass DIG9] DIG9 STRUCTURE INCLUDING RECLAIMED COMPONENT (E.G., TRASH)
 [List of Pre Grant Publications for class 52 subclass DIG10][List of Patents for class 52 subclass DIG10] DIG10 POLYHEDRON
 [List of Pre Grant Publications for class 52 subclass DIG11][List of Patents for class 52 subclass DIG11] DIG11 MOBILE-STRUCTURE STABILIZING ANCHOR
 [List of Pre Grant Publications for class 52 subclass DIG12][List of Patents for class 52 subclass DIG12] DIG12 TEMPORARY PROTECTIVE EXPEDIENT
 [List of Pre Grant Publications for class 52 subclass DIG13][List of Patents for class 52 subclass DIG13] DIG13 HOOK AND LOOP TYPE FASTENER
 [List of Pre Grant Publications for class 52 subclass DIG14][List of Patents for class 52 subclass DIG14] DIG14 SHELTER SHAPED TO ARTICLE CONFIGURATION
 [List of Pre Grant Publications for class 52 subclass DIG15][List of Patents for class 52 subclass DIG15] DIG15 SEAL FOR CORRUGATED SHEETS
 [List of Pre Grant Publications for class 52 subclass DIG16][List of Patents for class 52 subclass DIG16] DIG16 ROOFING WITH PRESSURE SENSITIVE ADHESIVE (E.G., SHINGLE FROM 52/173)
 [List of Pre Grant Publications for class 52 subclass DIG17][List of Patents for class 52 subclass DIG17] DIG17 WITH TRANSPARENT WALLS OR ROOF (E.G., SUNROOM)