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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 1,552
428/134 Noncircular aperture (e.g., slit, diamond, rectangular, etc.) 396
428/132 Struck out portion type 215


Patents under this class:
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Patent Number Title Of Patent Date Issued
5501909 Polycrystalline diamond substrate and process for producing the same Mar. 26, 1996
5500269 Honeycomb table manufacture and clean-room compatible honeycomb tables Mar. 19, 1996
5500270 Capillary laminate material Mar. 19, 1996
5500281 Absorbent, flushable, bio-degradable, medically-safe nonwoven fabric with PVA binding fibers, and process for making the same Mar. 19, 1996
5498461 Protective metallized loop laminate Mar. 12, 1996
5496610 Moldable panel for cushioning and protecting protrusions and areas, and method of making same Mar. 5, 1996
5496624 Multiple layer papermaking belt providing improved fiber support for cellulosic fibrous structures, and cellulosic fibrous structures produced thereby Mar. 5, 1996
5494725 Load bearing pad Feb. 27, 1996
5494726 Decal and method of application Feb. 27, 1996
5487933 Prosthetic articles and methods for producing same Jan. 30, 1996
5486273 Resilient material and disposable, absorbent article comprising such a material Jan. 23, 1996
5476698 Slapper picking ticket Dec. 19, 1995
5474824 Process for expanding polytetrafluoroethylene and products produced thereby Dec. 12, 1995
5472573 Inner surface contoured press jacket by having cavities therein for a shoe press Dec. 5, 1995
5472768 Tubular section rolled up from a flexible sheet Dec. 5, 1995
5470635 Blade member having a flat-surface side and an angled-surface side Nov. 28, 1995
5466354 Metal compression pad for an electrolysis cell Nov. 14, 1995
5458939 Repair patch for vertical blind slats Oct. 17, 1995
5458946 Attachable retainer for a tape measure Oct. 17, 1995
5455095 Foil laminated tabletops Oct. 3, 1995
5455099 Vinyl shake Oct. 3, 1995
5455100 Porous articles and methods for producing same Oct. 3, 1995
5455101 Flat sealing plate combustion engine gasket Oct. 3, 1995
5451445 Foldable net assembly Sep. 19, 1995
5447772 Reclosable packaging seal and methods relating thereto Sep. 5, 1995
5445861 Lightweight honeycomb panel structure Aug. 29, 1995
5445870 Method of producing overpressure valve for packaging containers Aug. 29, 1995
5443886 Hydrosonically embedded soft thin film materials Aug. 22, 1995
5441798 Filter cloth for air bags Aug. 15, 1995
5439716 Multiple pane insulating glass unit with insulative spacer Aug. 8, 1995
5439723 Substrate for producing semiconductor wafer Aug. 8, 1995
5439728 Ink jet head having nozzle plate employing sheet adhesive material having small holes for use in ink jet printers Aug. 8, 1995
5437906 Sanitary toilet seat covers Aug. 1, 1995
5436054 Electret Filter Jul. 25, 1995
5436094 Bulky synthetic pulp sheet useful as a separator for sealed lead batteries and process for preparing the same Jul. 25, 1995
5433985 Pool cleaner disc Jul. 18, 1995
5433986 Combination slutter and nosing strip Jul. 18, 1995
5422159 Fluorpolymer sheets formed from hydroentangled fibers Jun. 6, 1995
5422163 Flexible substrate with projections to block resin flow Jun. 6, 1995
5418036 Tile application backing material and tile application execution method May. 23, 1995
5413831 Bellows and process for production thereof May. 9, 1995
5411784 Self-laminating polyester data-tag May. 2, 1995
5409752 Set of envelopes consisting of a web the front and back surfaces of which bear areas of adhesive Apr. 25, 1995
5409754 In-mold label with coupon Apr. 25, 1995
5405671 Hot or cold bubble insulation sheeting Apr. 11, 1995
5405673 Shooting range backstop Apr. 11, 1995
5403636 Multi-layered labels Apr. 4, 1995
5403644 Frayless natural fabric Apr. 4, 1995
5399411 Flexible, air-permeable plastic sheet Mar. 21, 1995
5385765 Splicing for fluoropolymer coated belts Jan. 31, 1995

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