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Class Information
Number: 428/131
Name: Stock material or miscellaneous articles > Structurally defined web or sheet (e.g., overall dimension, etc.) > Including aperture
Description: Product wherein the web or sheet or a component thereof, has one or more discrete through openings with the peripheral wall or walls of each opening defined by either a line or closed loop passing through the thickness of the component while following a unidirectional or multidirectional rectilinar path.


Sub-classes under this class:

Class Number Class Name Patents
428/137 Composite web or sheet 1,360
428/134 Noncircular aperture (e.g., slit, diamond, rectangular, etc.) 348
428/132 Struck out portion type 187


Patents under this class:
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Patent Number Title Of Patent Date Issued
5656353 Laminated heat shield with prongs and method of manufacturing same Aug. 12, 1997
5654076 Cellulosic fibrous structures having discrete regions with radially oriented fibers therein Aug. 5, 1997
5650211 Quilt design planner Jul. 22, 1997
5648107 Porous film manufacturing apparatus Jul. 15, 1997
5648139 Wire drawing dies of polycrystalline CVD diamond with boron dopant atoms Jul. 15, 1997
5648140 Conveyor and method for continuous vacuum lamination Jul. 15, 1997
5648141 Debridement sponge Jul. 15, 1997
5648142 Perforated films having channels with cutout portions capable of spontaneous fluid inversion Jul. 15, 1997
5648144 Synthetic slate roofing member Jul. 15, 1997
5648167 Adhesive compositions Jul. 15, 1997
5645672 Method for forming a composite elastic material Jul. 8, 1997
5645916 Patterned spunlaced fabrics containing woodpulp or abaca fibers Jul. 8, 1997
5643653 Shaped nonwoven fabric Jul. 1, 1997
5641551 Multi-purpose rotary slit scorer and products formed thereby Jun. 24, 1997
5641554 Cover pad for air bag device Jun. 24, 1997
5635264 Positioning strip and method for positioning fabric covers on a foam cushion Jun. 3, 1997
5635275 Lamination of non-apertured three-dimensional films to apertured three-dimensional films and articles produced therefrom Jun. 3, 1997
5635276 Lamination of non-apertured three-dimensional films to apertured three-dimensional films and articles produced therefrom Jun. 3, 1997
5633067 Engine compartment casing element with perforated foam layer May. 27, 1997
5628856 Method for forming a composite elastic material May. 13, 1997
5622764 Sterilization indicators and methods Apr. 22, 1997
5620763 Thin-wall, seamless, porous polytetrafluoroethylene tube Apr. 15, 1997
5620771 Fabric of cotton/nylon and elastomeric neoprene Apr. 15, 1997
5618607 Plastic-made reinforced structure Apr. 8, 1997
5614276 Extrusion of materials Mar. 25, 1997
5614283 Absorbent composite with three-dimensional film surface for use in absorbent disposable products Mar. 25, 1997
5614285 Molded panel having a decorative facing and made from a blend of natural and plastic fibers Mar. 25, 1997
5609938 Image display apparatus with holes for opposite side viewing Mar. 11, 1997
5609940 Polymer panel with a sealing membrane for mechanical and electrical connections Mar. 11, 1997
5607743 Metallized three-dimensionally deformed, dimensionally stable gauze comprising textile material Mar. 4, 1997
5607744 Coated filler and use thereof Mar. 4, 1997
5604016 Information-medium sleeve and process for manufacturing it Feb. 18, 1997
5601895 Flexible puncture proof material Feb. 11, 1997
5601899 Sheet with integral fastener Feb. 11, 1997
5601900 Anti-skid mat Feb. 11, 1997
5601906 Geosynthetic barrier to prevent wildlife access to contaminated sediments Feb. 11, 1997
5601907 Three-dimensionally constructed net Feb. 11, 1997
5599608 Method of insert molding plastic parts to provide covered edge surfaces and plastic parts made thereby Feb. 4, 1997
5597643 Multi-tier laminate substrate with internal heat spreader Jan. 28, 1997
5595811 Packaging material Jan. 21, 1997
5595816 Unsintered perforated ceramic fiber plates useful as burner faces Jan. 21, 1997
5593743 Christmas tree skirt support Jan. 14, 1997
5593750 Cloth body coverings having multi-cycle refastenable tape closure systems Jan. 14, 1997
5593753 Protective surface covering systems and methods of producing same Jan. 14, 1997
5593754 Breathable fabric construction for outerwear Jan. 14, 1997
5591510 Layered fabric material having angled capillaries Jan. 7, 1997
5589242 Housing Lining Dec. 31, 1996
5587215 Calendar writing page Dec. 24, 1996
5585154 Flexible and non-water absorbing insulation system Dec. 17, 1996
5585157 Printed susbstrate having reinforcement patterns of varying size and/or shape Dec. 17, 1996

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