Granted Patent
Utility
US 4,401,045 · App. 06/440,054
Thread trimming mechanism for sewing machines
Inventor:
Angus R. T. Russell
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Nov 8, 1982
Inventor
Angus R. T. Russell
Assignee (at issue)
The Singer Company Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.