Granted Patent
Utility
US 4,436,043 · App. 06/375,922
Gate bracketing cushioning spring arrangement for a sewing machine
Inventor:
Edilberto Cantada
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: May 7, 1982
Inventor
Edilberto Cantada
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.