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Class Information
Number: 112/235
Name: Sewing > Elements > Presser devices
Description: Pressing the work against the work-support.










Sub-classes under this class:

Class Number Class Name Patents
112/240 Detachable connections 37
112/236 Embroidering and darning 14
112/237 Lifting 53


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4120253 Tubular loop forming tool for sewing machines Oct. 17, 1978
4069780 Sewing machine with means for stitching slide fastener stringers onto a relatively thick article Jan. 24, 1978
4060045 Presser bar pressure regulating module Nov. 29, 1977
4058071 Sewing machine presser bar mechanism Nov. 15, 1977
4056070 Automatic one-step buttonholing device Nov. 1, 1977
4024826 Tension attachment for sewing machines May. 24, 1977
4018174 Sewing machine presser foot asssembly Apr. 19, 1977
4010701 Sewing machine accessory Mar. 8, 1977
3993009 Presser foot sewing machines Nov. 23, 1976
3937159 Yarn clamping means for tufting apparatus Feb. 10, 1976
3933106 Presser device for overedge sewing machines Jan. 20, 1976

1 2 3 4










 
 
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