Quick change picture frame
CA 1081947 A · Owner: Barz, Benno · Inventors: Barz, Benno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A quick change frame for pictures comprising frame moldings and corner joints for detachable connection together. The frame moldings are in the form of hollow rails with at least one opening arranged on each side in a frame molding side wall enclosing the cavity. The corner joints comprise angle pieces with the shape and size of the cross-section of angle arms corresponding to the frame moldings. On the angle arms there is at least one male detent part extending out of a plane of these arms. When the angle arm has been inserted into the cavity of the respective hollow rail the male detent part releasably snaps into the respective opening provided in the side wall.
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 July 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 1997.
- 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.