US Patent Class 52
STATIC STRUCTURES (E.G., BUILDINGS)-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  CONTROLLED BY CONDITION RESPONSIVE MEANS
2.11  DF  SHAPED OR STRENGTHENED BY FLUID PRESSURE {11}
3  DF  ARTICLE OR MATERIAL SUPPORTED COVER {2}
6  DF  WITH STADIUM OR AUDITORIUM FEATURE {2}
11  DF  COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY {4}
17  DF  INSULATED RAILWAY CAR-TYPE ROOF
18  DF  CLERESTORY OR SAW-TOOTH ROOF
19  DF  WITH ENTRANCE FOR PERSONS OR OBJECTS IN HORIZONTAL OR INCLINED COVER {2}
22  DF  SPECIFIED ROOF SPACED FROM CEILING
23  DF  COVER WITH EXTERIOR HOLDDOWN
24  DF  COVER WITH PROJECTING RESTRAINER; E.G., SNOW STOP {2}
27  DF  INCLUDING COMPONENT (E.G., WALL) DESIGNED TO RECEIVE A DISPARATE ARTICLE HAVING DISPARATE ARTICLE MOUNTED THERETO {12}
41  DF  ROOF RUNNING BOARD OR SADDLE {2}
45  DF  RAILROAD CAR ROOF CONSTRUCTION {4}
57  DF  ROOF FINIAL OR CRESTING
58  DF  EXTERIOR-TYPE FLASHING {3}
63  DF  ENCLOSURE INCLUDING FLACCID NONMETALLIC OR FORAMINOUS SURFACING
64  DF  BARRIER OR MAJOR SECTION MOUNTED FOR IN SITU REPOSITIONING; E.G., REARRANGEABLE OR ROTATABLE {8}
73  DF  RIGID BARRIER CANTILEVERED FROM VERTICAL SUPPORT {1}
79.1  DF  PREASSEMBLED SUBENCLOSURE OR SUBSTRUCTURE SECTION(S) OF UNIT OR BUILDING {8}
80.1  DF  COMPOUND CURVE STRUCTURE {3}
82  DF  CONICAL OR RADIALLY RIBBED COVER
83  DF  COVER OR ENCLOSURE SUSPENDED BY FLEXIBLE MEANS
84  DF  STREAMLINE CROSS-SECTION; I.E., AIRFOIL
85  DF  CURVILINEAR PORTAL WITH SETTABLE MATERIAL BACKER
86  DF  VERTICALLY CURVED ARCH WITH TERMINAL SUPPORT {3}
90.1  DF  INCLINED TOP COVER (E.G., ROOF, A-FRAME) {4}
94  DF  GABLE OR EAVE TERMINAL CONSTRUCTION {2}
97  DF  EXTERNALLY PROJECTING LIQUID DEFLECTOR
98  DF  FRANGIBLE SECTION OR MEANS {2}
101  DF  ANIMAL BLOCKING LATERAL PROJECTION, TRAP, OR SCARER
102  DF  EARTH-SUPPORTED COPING OR EDGING
103  DF  LAND MARKER OR MONUMENT {1}
105  DF  WITH INDICIA
106  DF  JAIL-TYPE STRUCTURE
107  DF  AREAWAY; E.G., WINDOW WELL
108  DF  STRIPLIKE UNIT, REVERSIBLY FLEXIBLE AND RIGID
109  DF  LAZY TONG EXTENSION UNIT
110  DF  SHAFT, VEHICLE SHELL ATTACHED; E.G., ANTENNA
111  DF  MECHANISM OPERATED RELATIVELY MOVABLE SHAFT ASSEMBLY {6}
122.1  DF  WITH LIFTING OR HANDLING MEANS FOR PRIMARY COMPONENT OR ASSEMBLY {5}
127.1  DF  WITH ADJUNCTIVE MEANS FOR ASSEMBLY OR DISASSEMBLY {4}
128  DF  BURIAL VAULT {8}
143  DF  WITH TRANSPORTING FEATURE
144  DF  WITH EXPOSED CONFIGURATION HAVING ACOUSTICAL FUNCTION {1}
146  DF  VERTICAL STRUCTURE WITH BRACE, OR GUY, EXTENDING DIAGONALLY TO A BASE {4}
153  DF  SHAFT WITH EMBEDDING WING-TYPE BRACE {1}
155  DF  PIERCING OR EXPANDING EARTH ANCHOR {7}
166  DF  DEADMAN-TYPE ANCHOR
167.1  DF  MEANS COMPENSATING EARTH-TRANSMITTED FORCE (E.G., EARTHQUAKE) {3}
168  DF  WITH PROTECTIVE LIQUID SUPPLY
169.1  DF  SPECIFIED TERRANEAN RELATIONSHIP {11}
171.1  DF  VIEWING PORT FOR SPECIFIC ENVIRONMENT
171.2  DF  VEHICLE-TYPE WINDSHIELD DEFOGGER OR DEICER
171.3  DF  TRANSPARENT PANEL HAVING ACTIVE TREATMENT WITH GAS OR LIQUID {1}
173.1  DF  COMBINED {2}
174  DF  WITH TRAFFIC-GUIDING FEATURE {1}
177  DF  SPECIFIED WEAR OR FRICTION-TYPE TRAFFIC-CARRYING SURFACE {3}
182  DF  STEPPED; E.G., STAIR {6}
192  DF  FLUENT MATERIAL HOPPER OR STORAGE CONTAINER WITH MATERIAL PORT {5}
198  DF  ENCLOSURE OR COVER, WITH SUPPLEMENTAL FLUID-GUIDING PORT BETWEEN AMBIENT AND ENCLOSED USABLE SPACE (E.G., ROOF RIDGE VENT) {1}
200  DF  CUPOLA OR SKYLIGHT
201  DF  BAY WINDOW
202  DF  AUXILIARY IMPERFORATE PANEL-LIKE SHIELD ATTACHED TO MAIN PANEL, BARRIER, OR FRAME {1}
204.1  DF  FRAMING TO RECEIVE DOOR, DOORJAMB, OR WINDOW SASH {7}
204.5  DF  WINDOW OR WINDOW SASH, SILL, MULLION, OR GLAZING {13}
218  DF  FLUE WITH GASEOUS FLUID-DIRECTING FEATURE
219  DF  FLUE CONNECTION TO BUILDING STRUCTURE
220.1  DF  WALL, CEILING, OR FLOOR DESIGNED FOR UTILITIES {6}
222  DF  TENSIONED OR FLEXED SHEET FACING
223.1  DF  WITH COMPONENT HAVING DISCRETE PRESTRESSING MEANS {7}
231  DF  MONOLITH WITH SUSTAINER AND MEANS TENSIONING ADDITIONAL REINFORCEMENT
232  DF  IRREVERSIBLY REACTIVE COMPONENT
233  DF  LOG WALL-TYPE CONSTRUCTION
234  DF  MULTIROOM OR LEVEL {4}
244  DF  TUBULAR STRUCTURE WITH EXPOSED TERMINUS EDGE PROTECTOR
245  DF  CURVILINEAR BARRIER {4}
250  DF  INTERSECTION OF A CAST STONELIKE COMPONENT (E.G., CONCRETE FLOOR OR WALL) TO ANOTHER COMPONENT (E.G., WALL) {4}
261  DF  THREE-WAY CORNER CONSTRUCTION (E.G., TWO WALLS AND A FLOOR) {5}
272  DF  INTERSECTION OF WALL TO FLOOR, CEILING, ROOF, OR ANOTHER WALL (I.E., TWO-WAY CORNER CONSTRUCTION) {8}
287.1  DF  CONDUIT, TRIM, OR SHIELD MEMBER AT CORNER {1}
289  DF  COPLANAR SUSTAINERS; E.G., JOIST TO WALL (see 52/702)
290  DF  OPPOSED STRIP SECTIONS (BASEBOARDS) AND OUTWARDLY EXTENDING SUSTAINER
291  DF  ADJUSTABLE STRESSING MEANS; E.G., WARP CORRECTION
292  DF  FOOTING OR FOUNDATION TYPE {4}
300  DF  VERTICAL STRUCTURE WITH UPPER TERMINAL BEARING PLATE OR CAP {1}
302.1  DF  WALL, CEILING, FLOOR, OR ROOF DESIGNED FOR VENTILATION OR DRAINAGE {5}
306  DF  VISIBLE TRANSLUCENT BLOCK OR EMBEDDED COMPONENT {1}
309.1  DF  WITH SYNTHETIC RESINOUS COMPONENT {4}
310  DF  MEANS REMOVING EXCESS MOISTURE FROM CAST IN SITU MASS
311.1  DF  ORNAMENTAL: COLOR, THICKNESS VARIATION, OR DISSIMILAR ELEMENTS FORMING PATTERN {7}
317  DF  DRAFT STOP BETWEEN STUDS; E.G., FIRE STOP
318  DF  MONOLITHIC BARRIER WITH REVEALED INTERSECTING STIFFENERS; E.G., TERRAZO
319  DF  CAST IN SITU CONCRETE BARRIER WITH LATERALLY PROJECTING RIB-TYPE SUSTAINER {8}
342  DF  OPENLY SPACED SLAT-TYPE LATH {1}
344  DF  SETTABLE MATERIAL RECEIVING BACKER FIXED TO FURRING, JOIST, OR STUD {11}
364  DF  INSTALLED SCREED OR UNIT WITH SPECIFIED FEATURE RETAINING PENETRATING FASTENER {5}
378  DF  CAST IN SITU LOADING BEARING MONOLITH WITH COEXTENSIVE SECTION AND TIE {1}
380  DF  CAST IN SITU BARRIER CONSTRUCTION DEFINING ISOLATED SPACE {2}
384  DF  VENEER TILES HELD BY NONLOAD-BEARING GRID {4}
390  DF  ADHERED COPLANAR VENEER TILE-TYPE FACER; E.G., PARQUET {2}
393  DF  RELATIVELY YIELDABLE PREFORMED SEPARATOR (I.E., EXPANSION JOINT) {6}
403.1  DF  UNDERLYING COMPRESSIBLE LAYER OR PAD (E.G., FLOOR SYSTEMS)
404.1  DF  INSULATING INSERT; E.G., FILLER IN CAVITY IN PRECONSTRUCTED OR CAST STRUCTURE {7}
408  DF  DISPARATE SHEET LAMINA BETWEEN EXPOSED SURFACES OF WALL, FLOOR, OR ROOF (E.G., VAPOR BARRIER, WATERPROOFING MEMBRANE) {3}
414  DF  CAST IN SITU COMPOSITE SLAB (E.G., STEEL-CONCRETE)
415  DF  FACERS; E.G., MODULES, MUTUALLY BONDED BY INTERNAL SETTABLE MATERIAL SECTION {13}
443  DF  WITH MEANS (E.G., APERTURES, PROJECTIONS) FOR RECEIVING SETTABLE MATERIAL FACING (E.G., PLASTER) {8}
455  DF  SECTIONED IMPERFORATE FACING WITHIN PERPHERAL FRAME; E.G., PLURAL PANEL DOOR {2}
459  DF  BRIDGER STRIP HIDING JUNCTURE OF PANELS {4}
473  DF  LOUVERED PANEL
474  DF  FACER HELD BY STIFFENER-TYPE FRAME {11}
503  DF  HOLLOW BLOCKS ARRANGED TO FORM PASSAGEWAY {2}
506.01  DF  SHEETLIKE ELEMENT ASSEMBLED PARALLEL TO EXISTING WALL, CEILING, OR FLOOR (E.G., INSULATING PANEL, SHEATHING) {10}
514  DF  WITH MEANS FOR SPLIT-PREVENTION OR DAMAGED PART REPAIR {1}
515  DF  WITH DISPARATE PROTECTIVE COATING {2}
518  DF  LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE {7}
561  DF  LATERALLY RELATED, INDIVIDUALLY ASSEMBLED COURSES {4}
573.1  DF  INCLUDING DESIGN FEATURE (E.G., INTEGRAL CORRUGATION, TENSIONERS) ACCOMMODATING DIMENSIONAL VARIATION RESPONSIVE TO CHANGING CONDITIONS
574  DF  IDENTICAL BLOCKS OR MODULAR PANELS FITTED TO REVERSED BLOCKS OR PANELS (E.G., T-SHAPE ATTACHED TO INVERTED T-SHAPE)
575  DF  TRAPEZOID-SHAPED BLOCK (E.G., KEYSTONE)
576  DF  HAVING MEANS (E.G., HOLLOW FORM OR CORE) FORMING CAVITY, CORE, OR CELL IN SLAB {1}
578  DF  MODULE OR PANEL HAVING DISCRETE EDGEWISE OR FACE-TO-FACE CONNECTING FEATURE {6}
596  DF  OPAQUE STONELIKE MODULE {9}
782.1  DF  COMPOSITE PREFABRICATED PANEL INCLUDING ADJUNCTIVE MEANS {7}
630  DF  IMPERFORATE PANEL WITH INTEGRAL REINFORCING
631  DF  CORNER FORMED BY LAMINATE WITH BENT FACING SECTION
632  DF  SHAFT OR OPENWORK, AXIALLY EXTENSIBLE
633  DF  OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR {12}
698  DF  ASSEMBLED IN SITU-TYPE ANCHOR OR TIE {5}
716.1  DF  IN SITU ATTACHED-TYPE CHANNEL OR TRIM STRIP (E.G., EDGING) {10}
719  DF  CROSSED REINFORCING RODS WITH CONNECTOR
720.1  DF  SHAFT (I.E., ELONGATED RIGID STRUCTURE) {15}
741.1  DF  PROCESSES {14}
749.1  DF  MACHINE OR IMPLEMENT {3}
750  DF  MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTION
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900  DF  HAZARDOUS MATERIAL PERMEATION PREVENTION (E.G., RADON)
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DIGESTS
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DIG 1  DF  Hand tools for assembling building components
DIG 2  DF  Masonry lattice or openwork
DIG 3  DF  Trailer or mobile home skirt
DIG 4  DF  Magnetic connecting means for building components
DIG 5  DF  Designed for thermal distortion
DIG 6  DF  Toothed connecting means
DIG 7  DF  Synthetic building materials, reinforcements and equivalents (e.g., Rubinstein pats.)
DIG 8  DF  Imitation beams
DIG 9  DF  Structure including reclaimed component (e.g., trash)
DIG 10  DF  Polyhedron
DIG 11  DF  Mobile-structure stabilizing anchor
DIG 12  DF  Temporary protective expedient
DIG 13  DF  Velcro
DIG 14  DF  Shelter shaped to article configuration
DIG 15  DF  Seal for corrugated sheets
DIG 16  DF  Roofing with pressure sensitive adhesive (e.g., shingle from 52/173)
DIG 17  DF  With transparent walls or roof (e.g., sunroom)