Granted Patent
Utility
US 4,380,314 · App. 06/401,242
Box type carton with hinged lid and one piece reinforced insert
Inventors:
Joseph C. Langston, Robert J. Murray
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Jul 23, 1982
Inventors
Joseph C. Langston
Robert J. Murray
Assignee (at issue)
Federal Paper Board Co., Inc.
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.