Cassette tape recording and/or reproducing apparatus
CA 2015545 C · Owner: Sony Corporation · Inventors: Kurita, Kazuhito
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cassette tape recording and/or reproducing apparatus in which a single pinch lever pivotally supports a pair of pinch rollers corresponding to a pair of capstans rotatable in directions opposite to each other. A head operating member such as a head base or the like is movable in a first direction in response to a play lever or a movement of the play lever and can be, moved in a second direction perpendicular to the first direction so that the pair of pinch rollers are alternately urged against the pair of capstans. Tape guides and a head supporting portion are formed unitarily with the pinch lever at the position between the pair of pinch rollers, allowing the relationship between the …
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
- Filed April 26, 1990 and granted May 18, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 26, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 26, 2012.
- 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.