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Class Information
Number: 112/293
Name: Sewing > Elements > Thread cutting, severing or breaking > Upper thread
Description: Devices designed to cut a thread emanating from the upper surface or plane of the work.

Sub-classes under this class:

Class Number Class Name Patents
112/294 Scissors type 25
112/295 Single blade cutter 18

Patents under this class:

Patent Number Title Of Patent Date Issued
7093549 Wiper device for sewing machine Aug. 22, 2006
6907834 Sewing machine Jun. 21, 2005
6467419 Upper thread cassette and upper thread changing device Oct. 22, 2002
6332419 Auxillary device of a sewing machine Dec. 25, 2001
5009177 Thread cutting unit having a rotatably driveable cutting knife and loop spreading plate for a sewing machine Apr. 23, 1991
5005504 Thread cutting device having a translatably slidable knife and catcher, being driven for forming uniformly short stitch thread ends in a zig zag sewing machine Apr. 9, 1991
4919061 Button-hole sewing machine having a thread cutting and clamping device Apr. 24, 1990
4550672 Thread-holding apparatus for buttonhole machine Nov. 5, 1985
3998172 Thread cutter device for sewing machines Dec. 21, 1976

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