| | 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 |
| | ***************************** |
| | CROSS-REFERENCE ART COLLECTION |
| | ***************************** |
| 900 | DF | HAZARDOUS MATERIAL PERMEATION PREVENTION (E.G., RADON) |
| | ****************************** |
| | DIGESTS |
| | ****************************** |
| 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) |
