Granted Patent
Utility
US 4,336,575 · App. 06/183,877
Breakaway plaster frame
Inventor:
Lester Gilman
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Sep 4, 1980
Inventor
Lester Gilman
Assignee (at issue)
Kidde Consumer Durables 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.