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Class Information
Number: 242/472.7
Name: Winding, tensioning, or guiding > Helical or random winding of material > On planar form (e.g., card, board)
Description: Subject matter wherein the take-up is a structure having two parallel substantially planar external surfaces making up a substantial portion of the surface of the take-up and being closely spaced relative to their overall dimensions.

Patents under this class:

Patent Number Title Of Patent Date Issued
6527213 Skein support bow Mar. 4, 2003
6371404 Interlocking bobbin halves Apr. 16, 2002
6330390 Device for winding optical fibers Dec. 11, 2001
4372499 Process and apparatus for preparing fabric patterns Feb. 8, 1983

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