Granted Patent
Utility
US 5,292,017 · App. 08/009,235
Child-resistant closure with easy opening feature
Inventor:
Richard F. Reifers
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jan 26, 1993
Inventor
Richard F. Reifers
Assignee (at issue)
Calmar Holdings LLC
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.