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Class Information
Number: 428/138
Name: Stock material or miscellaneous articles > Structurally defined web or sheet (e.g., overall dimension, etc.) > Including aperture > Composite web or sheet > Including nonapertured component
Description: Product containing at least one apertured component and one imperforate component.


Sub-classes under this class:

Class Number Class Name Patents
428/139 Keyed 185


Patents under this class:
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Patent Number Title Of Patent Date Issued
4644592 Disposable floor mat Feb. 24, 1987
4640854 Self-supporting composite plate, especially for double floors Feb. 3, 1987
4637947 Heat insulation material Jan. 20, 1987
4638110 Methods and apparatus relating to photovoltaic semiconductor devices Jan. 20, 1987
4636417 Fibrous reticular sheet material Jan. 13, 1987
4631212 Manifold Dec. 23, 1986
4627994 Label bearing continuous business form Dec. 9, 1986
4626309 Selective bonding interconnection mask Dec. 2, 1986
4621006 Honeycomb table manufacture and clean-room compatible honeycomb tables Nov. 4, 1986
4618740 Electrical outlet safety device Oct. 21, 1986
4617216 Multi-layer identification card Oct. 14, 1986
4614679 Disposable absorbent mat structure for removal and retention of wet and dry soil Sep. 30, 1986
4612227 Pressure sensor header Sep. 16, 1986
4609582 Dielectric glass in multilayer circuits and thick-film circuits comprising same Sep. 2, 1986
4603069 Sheet-like article Jul. 29, 1986
4598008 Sandwich component for the bodywork of a motor vehicle Jul. 1, 1986
4594278 Acoustical panels Jun. 10, 1986
4591523 Apertured macroscopically expanded three-dimensional polymeric web exhibiting breatheability and resistance to fluid transmission May. 27, 1986
4591524 Chromatographic sheet of layer for pressurized layer chromatographic apparatus May. 27, 1986
4591887 Solvent resistant thermally printable material May. 27, 1986
4590109 Pad of paper sheets with pressure-sensitive attachment edge portion and method of making the same May. 20, 1986
4586906 Lottery marking guide May. 6, 1986
4587146 Flat laminate part consisting of a substrate layer, a cover layer and an auxiliary pull-off means for the cover layer May. 6, 1986
4582742 High-temperature fibrous insulation module Apr. 15, 1986
4581274 Carpet underlay having pad and perforated plastic film Apr. 8, 1986
4576841 Desiccant application for double-glazed windows, etc. and a spacer section filled with the desiccant application Mar. 18, 1986
4574099 Acoustical panels Mar. 4, 1986
4574101 Exercise mat Mar. 4, 1986
4572855 Label tape Feb. 25, 1986
4567081 Separator sheets for collation with a stack of transparencies Jan. 28, 1986
4567082 Nonreflective and limitatively light-transmitting board Jan. 28, 1986
4565724 Roofing-material Jan. 21, 1986
4564551 Wet-pressing belt for paper machines Jan. 14, 1986
4560896 Composite slot insulation for dynamoelectric machine Dec. 24, 1985
4559255 Acoustical absorbing material Dec. 17, 1985
4555435 Interchangeable identification apparatus for racing animals and event contestants and method for making same Nov. 26, 1985
4554196 Hardened portion of a fibrous product and a method for producing the same Nov. 19, 1985
4551374 Continuous sheet with perforated tear-off driving edge and recessed reinforced inner edge Nov. 5, 1985
4550683 Sheet construction and method Nov. 5, 1985
4550048 Dust-proof reinforcing sheet material to be applied over handling opening-formed on wall of box Oct. 29, 1985
4548854 Ceiling product Oct. 22, 1985
4543765 Unitized floor panel and method of laying the same Oct. 1, 1985
4539244 Honeycomb noise attenuation structure Sep. 3, 1985
4539245 Sound attenuating structure Sep. 3, 1985
4539247 Constructional unit Sep. 3, 1985
4532167 Readable goods-marking system for textile processing Jul. 30, 1985
4525406 Thermal insulation layer Jun. 25, 1985
4525407 Elastic composites Jun. 25, 1985
4524095 Laminate including an adhesive-coated substrate and a removable cover layer having means to form grasp parts upon bending Jun. 18, 1985
4505770 Peripherally supported package for adhesive-surfaced articles Mar. 19, 1985

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