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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:

Patent Number Title Of Patent Date Issued
6406774 Electrically conductive composition for use in through hole of electric component Jun. 18, 2002
6402895 Dewatering belt, in particular drying screen Jun. 11, 2002
6403210 Method for manufacturing a composite material Jun. 11, 2002
6399178 Rigid adhesive underfill preform, as for a flip-chip device Jun. 4, 2002
6399179 Base plate for suspension assembly in hard disk drive with stress isolation Jun. 4, 2002
6399187 Metal-ceramics composite, heat dissipation device employing it, and processes for producing them Jun. 4, 2002
6395372 Cell confinement structure May. 28, 2002
6395374 Method of making microwave, multifunction modules using fluoropolymer composite substrates May. 28, 2002
6396073 Web of record members May. 28, 2002
6391420 Bicomponent elastomeric netting May. 21, 2002
6391422 Wiring substrate and stiffener therefor May. 21, 2002
6383602 Method for improving the cooling effectiveness of a gaseous coolant stream which flows through a substrate, and related articles of manufacture May. 7, 2002
6379772 Avoiding polymer fill of alignment sites Apr. 30, 2002
6376096 Nanochannel glass replica membranes Apr. 23, 2002
6372321 Coated article with internal stabilizing portion and method for making Apr. 16, 2002
6358590 Noise attenuation panel Mar. 19, 2002
6358592 Meltblown fibrous acoustic insulation Mar. 19, 2002
6351869 System for supporting a towel Mar. 5, 2002
6353149 Fast blooming surfactants for use in fluid transport webs Mar. 5, 2002
6348253 Sanitary pad for variable flow management Feb. 19, 2002
6344256 System and method for perforating sheet material Feb. 5, 2002
6335076 Multi-layer wiring board and method for manufacturing the same Jan. 1, 2002
6335077 Electrically conductive paste for via-hole and method of producing monolithic ceramic substrate using the same Jan. 1, 2002
6335078 Curable masking material for protecting a passage hole in a substrate Jan. 1, 2002
6333091 Bar-supportive buffer sheet Dec. 25, 2001
6331334 Container liner Dec. 18, 2001
6331341 Multiaxial press fabric having shaped yarns Dec. 18, 2001
6329029 Vehicle interior hand grip material Dec. 11, 2001
6299963 Superplastically formed panel Oct. 9, 2001
6296923 Perforated polymeric film with limited oxygen and water permeability Oct. 2, 2001
6296925 Aperture for charged beam drawing machine and method for forming the same Oct. 2, 2001
6291050 Topsheet systems for absorbent articles exhibiting improved hydrophilicity gradients Sep. 18, 2001
6291051 Waterproof sheet for hair washing and automatic hair washer using such waterproof sheet Sep. 18, 2001
6287659 Desk chairmat with handles and related process Sep. 11, 2001
6284346 Macrocellular cushion and folding elastomer truss Sep. 4, 2001
6277464 Polymeric integral net Aug. 21, 2001
6277748 Method for manufacturing a planar reflective light valve backplane Aug. 21, 2001
6274042 Semipermeable membrane for pressing apparatus Aug. 14, 2001
6274217 Buffer member for shipping carton Aug. 14, 2001
6274218 Topsheet for body fluids absorbent article Aug. 14, 2001
6270623 Method for making apertured nonwoven fabric Aug. 7, 2001
6268035 Tire block and method of making the same Jul. 31, 2001
6268040 Sanitary insert Jul. 31, 2001
6261662 Molded element containing a horizontally disposed bore Jul. 17, 2001
6262389 Laser-processable glass substrate and laser processing method Jul. 17, 2001
6258436 Catalyst body Jul. 10, 2001
6258437 Test structure and methodology for characterizing etching in an integrated circuit fabrication process Jul. 10, 2001
6258438 Vehicle shelf trim panel with insert molded speaker grille Jul. 10, 2001
6258443 Textured retroreflective prism structures and molds for forming same Jul. 10, 2001
6251495 Low emissivity products and methods for making same Jun. 26, 2001



 
 
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