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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