Tape cassette with detecting hole and obstructing member
CA 1294041 C · Owner: Igarashi, Tadao · Inventors: Oogi, Takashi; Igarashi, Tadao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tape cassette comprising a cassette body in which reels and a tape are accommodated, a lid for closing a front opening which is provided in the cassette body, a lid-locking member swung on a mounting pin which projects from the bottom plate of the cassette, and detecting holes with respective obstruction members for retrieving information on the cassette which pass through the, bottom plate, has one of the detecting holes arranged substantially in alignmentwith the mounting pin without giving any influence to the mounting pin so that, the sapce of the bottom plate is effectively utilized.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.