Panel interlocking means
CA 1080670 A · Owner: The Mead Corporation · Inventors: Watkins, Richard K.; Benatar, Leo; Oliff, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Panel interlocking means for securing a pair of panels in overlapping face contacting relation includes a locking tab struck from one of the panels and arranged to be driven through a locking aperture defined by a retaining tab struck from the other panel and arranged so that its free end engages the locking tab in angularly disposed mutually bracing relation, holding means formed in said locking tab for receiving the free end of said retaining tab to hold said locking tab and said retaining tab in angular braced relation to each other a securing tab projecting from a transverse edge of the locking aperture remote from the fold line of the retaining tab and …
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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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 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.