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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 242/610.2
Name: Winding, tensioning, or guiding > Coil holder or support (e.g., spindle, dispenser, or spool) > Spool or core > Particular material or material treatment > Sheet stock > Foldable unitary blank
Description: Subject matter wherein a single piece of planar stock is bent to constitute the spool.










Patents under this class:

Patent Number Title Of Patent Date Issued
8302897 Device for handling of rolls Nov. 6, 2012
7731120 Mandrel for wound materials Jun. 8, 2010
7699256 Spool, spool unit, and spool unit production method Apr. 20, 2010
7575189 Holders for linear material Aug. 18, 2009
7547339 Filter material take-up product for air filter Jun. 16, 2009
7213784 Plastic bobbin and a method of manufacturing such a bobbin May. 8, 2007
6575398 Reel for embossed carrier tape Jun. 10, 2003
6485859 Resilient mandrel for battery electrode assembly Nov. 26, 2002
6290169 Free standing paper towel dispensing apparatus Sep. 18, 2001
5967454 Twin sheet reel core Oct. 19, 1999
5513819 Flanged reel from a unitary blank May. 7, 1996
5318235 Cores for compressed core wound paper products Jun. 7, 1994
5287965 Light storage device Feb. 22, 1994
4616790 Excess tubing retainer for a fluid or gas delivery system Oct. 14, 1986
4437618 Spool dispenser Mar. 20, 1984
4019692 Reinforced reel Apr. 26, 1977
4003529 Reel and blank therefor Jan. 18, 1977
3993262 Tape spool Nov. 23, 1976
3958768 Package of gusseted bags on a roll May. 25, 1976











 
 
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