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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 1,362
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
5763045 Composite article and method of forming a composite article Jun. 9, 1998
5763060 Printed wiring board Jun. 9, 1998
H1732 Absorbent articles containing antibacterial agents in the topsheet for odor control Jun. 2, 1998
5759667 Diamond wire drawing die and process for manufacturing same Jun. 2, 1998
5759668 Heat seal structure Jun. 2, 1998
5759669 Apparatus and method for screening green sheet with via hole using porous backing material Jun. 2, 1998
5756176 Carpet transition strip and method of installing the same May. 26, 1998
5756182 Method and apparatus for masking the acoustic signature of vessels May. 26, 1998
5753335 Semi-open, multicolor process printed doilies May. 19, 1998
5753339 Catalytic converter substrate with a plurality of cell groups having high and low thermal mass walls May. 19, 1998
5753342 Vacuum assisted application of thin coatings on apertured substrates and articles produced therefrom May. 19, 1998
5747139 Component carrier tape May. 5, 1998
5747140 Flat upholstered body May. 5, 1998
5747142 Former for core sandwich in composite reinforced plastics May. 5, 1998
5747143 Packing element May. 5, 1998
5743776 Topsheet for use in body fluids absorptive goods Apr. 28, 1998
5744212 Apparatus and method for gathering and removing yard waste Apr. 28, 1998
5744213 Enclosure panel with herringbone aperture pattern Apr. 28, 1998
5741456 Carbon fibre panels with laser formed holes Apr. 21, 1998
5741569 Shoe and sock donning device for physically handicapped Apr. 21, 1998
5738924 Sandwich construction building materials Apr. 14, 1998
5733624 Mineral fiber insulation batt impregnated with coextruded polymer layering system Mar. 31, 1998
5733625 Non-woven fabric Mar. 31, 1998
5733626 Breathable fabric of perforated substantially impermeable fabric Mar. 31, 1998
5731056 Rigid structure attachment using hook and loop fasteners Mar. 24, 1998
5731061 Perforated thermoplastic sheet in which the perforation craters have sidewalls that present converging portions and diverging portions, a fibrous composite plane material including such a shee Mar. 24, 1998
5728440 Product display hanger and process Mar. 17, 1998
5725930 Supply feedstock for workpiece finishing machine Mar. 10, 1998
5711878 Cylindrical filter Jan. 27, 1998
5709915 Adhesive structure for heat sealing Jan. 20, 1998
5702798 Composite material with controlled elasticity Dec. 30, 1997
5700356 Air permeable belt for dewatering web in press nip Dec. 23, 1997
5700545 Energy absorbing structure Dec. 23, 1997
5698288 Protective covering for swim platform located on a boat Dec. 16, 1997
5695848 Panel formed from molded fiberglass strands Dec. 9, 1997
5695849 Elastic, breathable, barrier fabric Dec. 9, 1997
5691032 Method of making a bird repellant structure and blank for use therein Nov. 25, 1997
5683787 Multilayered elastic sheet structure and process for producing a multilayered elastic sheet structure Nov. 4, 1997
5679222 Paper having improved pinhole characteristics and papermaking belt for making the same Oct. 21, 1997
5679435 Vision control panels with perforations and method of making Oct. 21, 1997
5674587 Apparatus for making nonwoven fabrics having raised portions Oct. 7, 1997
5674211 Method for manufacturing a material suitable for use as a top sheet of an absorbent disposable article, and one such material Oct. 7, 1997
5672406 Material having a thermally expandable passage Sep. 30, 1997
5672407 Structure with etchable metal Sep. 30, 1997
5672412 Recyclable cross-laminated corrugated and fiber core pallet Sep. 30, 1997
5670234 Tricot nonwoven fabric Sep. 23, 1997
5667869 Predrawn net particularly for geotechnical use Sep. 16, 1997
5667870 Plastic article with interrupted interior threads for securing a threaded heat sink to a heat generating member Sep. 16, 1997
5665452 Three-dimensional, macroscopically expanded, apertured laminate webs Sep. 9, 1997
5658639 Method for selectively aperturing a nonwoven web exhibiting surface energy gradients Aug. 19, 1997

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