Granted Patent
Utility
US 4,616,962 · App. 06/724,665
Cutter insert
Inventors:
Hiroyuki Ushijima, Hiroshi Shimomura, Masaaki Nakayama
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Apr 18, 1985
Inventors
Hiroyuki Ushijima
Hiroshi Shimomura
Masaaki Nakayama
Assignee (at issue)
Mitsubishi Kinzoku Kabushiki Kaisha
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.