Granted Patent
Utility
US 5,579,085 · App. 08/500,567
Image forming apparatus and detachable process cartridge having press-fitted flange to cylinder
Inventors:
Shigeo Miyabe, Hiroo Kobayashi, Kazuo Shishido, Koji Miura
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Jul 11, 1995
Inventors
Shigeo Miyabe
Hiroo Kobayashi
Kazuo Shishido
Koji Miura
Assignee (at issue)
CANON 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.