Granted Patent
Utility
US 5,402,955 · App. 07/918,591
Reel-locking mechanism for compact tape cassette
Inventors:
Hitoshi Takahashi, Hiroshi Sonobe, Keiichi Maeda
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Jul 24, 1992
Inventors
Hitoshi Takahashi
Hiroshi Sonobe
Keiichi Maeda
Assignee (at issue)
Victor Company of Japan, 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.