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Browse by Category: Main > Material Science
Class Information
Number: 428/43
Name: Stock material or miscellaneous articles > Sheet, web, or layer weakened to permit separation through thickness
Description: Product comprising a sheet*, web* or layer* having a portion thereof made less strong so as to permit easy separation at this portion through the thickness portion either longitudinally or transverse or at an angle to the plane of the product.










Patents under this class:

Patent Number Title Of Patent Date Issued
7281629 End piece and wide line ribbon package Oct. 16, 2007
7278584 Portable electronic music devices with convenient or foldable transaction cards Oct. 9, 2007
7247360 Sanitary, portable and disposable toilet seat cover, with attached wipe Jul. 24, 2007
7220472 Adhesive-backed extender trim material May. 22, 2007
7214891 Method and apparatus for printing merchandising information May. 8, 2007
7211312 Film element May. 1, 2007
7208216 Disposable cutting sheet Apr. 24, 2007
7208213 Decorative film with integrated break line Apr. 24, 2007
7208212 Label applicator system Apr. 24, 2007
7201639 Powder for disks Apr. 10, 2007
7199187 Sheet Apr. 3, 2007
7179514 Laminar label as well as a method and an apparatus for producing the same Feb. 20, 2007
7175731 Method of manufacturing sheets being able to tear off Feb. 13, 2007
7171895 Stencil material roll Feb. 6, 2007
7166345 Destructible privacy label Jan. 23, 2007
7166344 Dust-free sealer for valve bags Jan. 23, 2007
7157127 Label for stretch wrapped stack Jan. 2, 2007
7153556 Integrated forms and method of making such forms Dec. 26, 2006
7150903 Corrugated paperboard including tear line Dec. 19, 2006
7144656 Alkaline battery sealing gasket and sealed alkaline battery Dec. 5, 2006
7141256 Packaging film having permeable patch covering an opening in the film and package made therefrom Nov. 28, 2006
7138169 Cloth-like polymeric film with directional tear Nov. 21, 2006
7135213 Tearable elastic composite article and method of manufacture Nov. 14, 2006
7115314 Differential perforation pattern for dispensing print media Oct. 3, 2006
7112358 Self-adhesive purge dam for retaining purge gas around a weld zone Sep. 26, 2006
7108901 Shim Sep. 19, 2006
7097891 Door seal Aug. 29, 2006
7097893 Versatile printable sheet for forming jewel case inserts and booklets Aug. 29, 2006
7094454 Multi-color multi-ply note pad Aug. 22, 2006
7094834 Shiny, impact-resistant polystyrol which is resistant to tension cracks Aug. 22, 2006
7090908 Lint tape roll with peeling feature Aug. 15, 2006
7059792 Dispensing system for print media having differential perforation pattern Jun. 13, 2006
7060336 Image receiver material Jun. 13, 2006
7060337 Adhesive roller assembly Jun. 13, 2006
RE39100 Duplex carton label/packing list May. 23, 2006
7045186 RFID manufacturing concepts May. 16, 2006
7045192 Weather resistant anti-slip panels May. 16, 2006
7045204 Fragrant ornament May. 16, 2006
7041353 Insulation batt and package May. 9, 2006
7037564 Substrate sheets with removable strip May. 2, 2006
7033095 Printing paper, print forming process and printing system Apr. 25, 2006
7033657 Magnetic wafer seal Apr. 25, 2006
7029739 Pre-cut fibrous insulation for custom fitting wall cavities of different widths Apr. 18, 2006
7029740 Layered magnetic wafer seal Apr. 18, 2006
7014208 Interior vehicle trim panel Mar. 21, 2006
RE38976 Method of labeling a package Feb. 14, 2006
6994899 Curl resistant single substrate label sheet and a method for making same Feb. 7, 2006
6991259 Apparatus and method for improved business form with integrated card Jan. 31, 2006
6991261 Labels with removable section for in-mold production of in-mold labeled molded containers Jan. 31, 2006
6991521 Edge finishing process for glass or ceramic disks used in disk drive data storage devices Jan. 31, 2006











 
 
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