Granted Patent
Utility
US 4,353,438 · App. 06/193,224
Actuator assembly for a drum brake having an extendible assembly
Inventor:
James J. Colpaert
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Oct 2, 1980
Inventor
James J. Colpaert
Assignee (at issue)
Bendix 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.