Granted Patent
Utility
US 4,344,703 · App. 06/210,000
Copying machine with retractable stopper
Inventors:
Takao Nezu, Yasuo Turubuchi
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Nov 24, 1980
Inventors
Takao Nezu
Yasuo Turubuchi
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.