Granted Patent
Utility
US 4,685,016 · App. 06/767,577
Door operating mechanism for a cassette usable in a magnetic tape recorder
Inventor:
Antoni S. Baranski
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: Aug 20, 1985
Inventor
Antoni S. Baranski
Assignee (at issue)
Ampex Corporation
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.