Vertical blind louver having transparent grooved side edges
CA 1303963 C · Owner: Setele, Richard A. · Inventors: Setele, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slat, suitable for use as a vertical blind louver having an upper and lower surface, having an opaque central section composed of a first chemical composition having a first melting point, and having transparent first and second side edges composed of a second chemical composition having a second melting point substantially greater than the first melting point wherein, the side edges are integrally fused to the central section each, side edge contains a longitudinal groove open to the central section, and the grooves open to the same surface of the slat. In a preferred embodiment the first composition is polyvinylchloride and the second composition is a polycarbonate having a melting …
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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 June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
- 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.