Sign arrangement
CA 1280893 C · Owner: Wennstrom, Ari · Inventors: Wennstrom, Ari
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an arrangement in signs of the kind which comprise a plurality of narrow elongated, prisms arranged in side-by-side relationship and the side faces of which together form a plurality of sign surfaces in different rotational positions of the prisms. The prisms are rotated by means of a drive shaft, common to all prisms, via a respective bevel gear drive. In accordance with the invention each, driving gear wheel of the bevel gear drive is journalled for rotation in a bearing which is carried by an individual bearing support, which is guided for individual movement axially along tracks which extend longitudinally along the one frame side-member of the sign and which …
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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 March 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 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.