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| Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 156 | ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE |
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| 1 | METHODS |
| Class 216 is an integral part of this Class (Class 156), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. | ||
| 39 | Plaster board making |
| 40 | With bending or folding of facing sheet |
| 41 | With water-proofing with added material |
| 42 | With embedding of reinforcing material during or subsequent to core formation |
| 43 | Pore forming in situ |
| 44 | With preliminary treatment of facing sheet |
| 45 | With subsequent treatment of plaster board |
| 47 | Making electrical conductors of indefinite length |
| 48 | With filling of void or cavity with fluent material |
| 49 | Splicing |
| 50 | With mechanical working of conductor |
| 51 | Covering of conductor |
| 57 | Maintaining the natural appearance of plants or animal parts |
| 58 | Contour or profile photography to reproduce three-dimensional objects |
| 59 | Relief or intaglio representations of three-dimensional objects (e.g., relief modeling of photographs) |
| 60 | Surface bonding and/or assembly therefor |
| 61 | Simulated products of nature |
| 62 | With manual drawing or engraving |
| 62.2 | With formation of lamina by bulk deposition of discrete particles to form self-supporting article |
| 62.4 | Liberation or formation of fibers |
| 62.6 | By joining portions of batt to itself |
| 62.8 | To similarly formed batt |
| 63 | Manually arranging different colored or shaped discrete elements to form design |
| 64 | With measuring, testing, or inspecting |
| 65 | Of multiple spaced elements between and transverse of parallel webs (e.g., Venetian blind ladders) |
| 66 | Adhesive application of fasteners to articles (e.g., slide fastener to garment) |
| 67 | Utilizing phosphorescent or fluorescent material |
| 68 | With fur removal from animal pelt |
| 69 | Application of end closures to containers |
| 70 | Encasing movable or loosely confined element between adhering lamina (e.g., drawstrings) |
| 71 | Of lamina to building or installed structure |
| 72 | Setting or embedding tufts or discrete pile elements onto backing (e.g., rugs, brushes, etc.) |
| 73.1 | With sonic or ultrasonic treatment |
| 73.5 | Friction treatment (e.g., welding) |
| 73.6 | Vibratory treatment |
| 74 | With application of centrifugal force |
| 75 | With balancing of product |
| 76 | With parchmentizing or transparentizing |
| 77 | With pore forming in situ to form cellular lamina |
| 80 | With refrigeration or freezing |
| 81 | With melting or gasification of permanently associated solid material in situ in airtight cavity |
| 82 | With flame contact of lamina |
| 83 | With swelling of material of lamina |
| 84 | With shrinking of material of lamina |
| 87 | Providing escapeways for gases trapped or generated between layers |
| 88 | Fray-prevention by bonding |
| 89.11 | With vitrification or firing ceramic material |
| 89.12 | Forming electrical article or component thereof |
| 89.13 | Elemental carbon containing (e.g., graphite, etc.) |
| 89.14 | Inorganic titanate compound containing |
| 89.15 | Nitride compound containing |
| 89.16 | Elemental metal or alloy containing |
| 89.22 | Honeycomb-like |
| 89.23 | With wax or wax-like processing aid |
| 89.24 | Coloring agent containing |
| 89.25 | Elemental carbon containing (e.g., graphite, etc.) |
| 89.27 | Nitride compound containing |
| 89.28 | Elemental metal or alloy containing |
| 90 | Utilizing layer to prevent migration or bleeding between laminae |
| 91 | With separate permanent mechanical joining means (riveted, sewed, stapled, etc.) |
| 94 | Reclaiming, renewing or repairing articles for reuse |
| 99 | Optically transparent glass sandwich making (e.g., window or filter) |
| 100 | Variegated colored lamina or interlayer |
| 101 | With cutting or breaking or partial removal of interlayer and/or lamina |
| 102 | With deformation or shaping of interlayer and/or lamina |
| 103 | With application of plural sequential pressures |
| 104 | With air evacuation between laminae |
| 105 | Directly applied fluid pressure |
| 106 | With preformed intermediate adhesive layer |
| 107 | Sandwich edge sealing |
| 108 | Mounting transparent lamina over window opening (e.g., slide-mounting) |
| 109 | Multipane glazing unit making (e.g., air-spaced panes) |
| 110.1 | Making flexible or resilient toroidal shape; e.g., tire, inner tube, etc. |
| 111 | Moving work progressively to separate assembly stations |
| 112 | Solid tire type (i.e., nonpneumatic) |
| 114 | Incorporation of solid nonrubber material at exposed tread surface of tire (e.g., anti-skid) |
| 115 | Applying flowable puncture sealing material |
| 116 | Applying differently colored material at sidewall (e.g., white wall) |
| 117 | Building tires directly from strands or cords |
| 118 | Tubular (airtight) torus (e.g., auto tube-making) |