Spindle adaptors
CA 1092989 A · Owner: B S R Limited · Inventors: Hares, Barrington
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A T 1 O N, TITLE OF THE INVENTION "Improvements relating to spindle adaptors" ABSTRACT OF THE DISCLOSURE, A spindle adaptor for use with an umbrella centre spindle record player said adaptor comprising a spindle adapted, at its lower end, to be received in the normal smaller diameter spindle receiving means of the record player and carrying at its upper end a body member having a record supporting means movable between an extended position to support a stack of large centre hole records and a retracted position allowing the lowermost or the last, record of the stack to descend along the body and a record retaining means movable between an extended position temporarily to support 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 January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 1998.
- 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.