Granted Patent
Utility
US 4,951,167 · App. 07/196,222
Magnetic tape cassette with improved front cover supporting mechanism
Inventors:
Tsutomu Hiramoto, Masayuki Komeiji, Kimimoto Hirose, Hitoshi Okubo, Minoru Sato, Yoshitaka Yasufuku
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Apr 22, 1988
Inventors
Tsutomu Hiramoto
Masayuki Komeiji
Kimimoto Hirose
Hitoshi Okubo
Minoru Sato
Yoshitaka Yasufuku
Assignee (at issue)
Konica 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.