Modular structural framing system
CA 2125273 A1 · Owner: Lange, Fredric · Inventors: Lange, Fredric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A framing system (10) is disclosed including three-dimensional structural members (12, 14) formed from planar panels (16) having their edges removably secured together by provisions (48) including a slide connector (66) which receives lugs (52) slideably received in and abutting with latches (56). The panels (16) include interconnect ports (22) having integral concentric tubes (24). The, exterior faces (18) of the structural members (12 14) are, abutted together, with the structural members (12 14) being clamped, by a clamping band (28) having a central wall (30) abutting with the tubes (24) and first and second side walls (32 34) abutting, with the free faces (25) of the tubes (24). In the …
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
- Filed December 11, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2013.
- 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.