Cassette tape recording and/or reproducing apparatus and cassettes for use therein
CA 1287168 C · Owner: Ohtani, Yuzo · Inventors: Ohtani, Yuzo; Ueda, Sachio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A large-sized tape cassette has a width measured, in a transverse direction, larger than the similarly measured width of a standard, relatively small-sized tape cassette and, for the purpose of being adapted to be selectively loaded, in place of the standard cassette into, a tape cassette recording and/or reproducing the large-, sized tape cassette has a bottom surface with a plurality of grooves therein extending at right angles to the transverse direction and spaced from each other by a distance equal to the width of the standard, relatively small-sized cassette and the apparatus includes a cassette holder having a pair of parallel guide rails spaced apart for slidable reception in the …
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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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
- 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.