Retainer rail for heating tubes of a floor heater
CA 2091191 A1 · Owner: Winkler, Wolfram · Inventors: Winkler, Wolfram; Winkler, Wolfram
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A retainer rail for retaining heating tubes of a floor heating comprises a cross-piece forming a support side of the rail and mutually opposite legs attached to the cross-piece and facing away therefrom substantially in a U-shaped fashion. The legs have mutually opposite openings formed therein for receiving heating tubes transversely to a longitudinal axis of the rail. The rail is provide with intended breaking locations so that the rail may be severed manually in a substantially transverse direction.
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 March 8, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2015.
- 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.