Granted Patent
Utility
US 4,394,340 · App. 06/315,963
Method of producing thin-walled endless belt
Inventors:
Noriyoshi Tarumi, Hiroshi Tsuchiya, Masakazu Kokiso, Hiroaki Ohta
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Oct 28, 1981
Inventors
Noriyoshi Tarumi
Hiroshi Tsuchiya
Masakazu Kokiso
Hiroaki Ohta
Assignees (at issue)
Konishiroku Photo Industry Co., Ltd.
Hokushin Industries, 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.