Granted Patent
Utility
US 4,881,094 · App. 07/154,585
Lens interchange type single-lens reflex camera system and intermediate barrel therefor
Inventors:
Nobuhiko Terui, Yosuke Kusaka, Yoshiharu Shiokama, Nobuaki Sasagaki
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Feb 10, 1988
Inventors
Nobuhiko Terui
Yosuke Kusaka
Yoshiharu Shiokama
Nobuaki Sasagaki
Assignee (at issue)
NIKON CORPORATION
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.