Mechanic back support
CA 2391511 A1 · Owner: Pickering, William R. · Inventors: Pickering, William R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mechanic support device includes a rigid parallel pair of base legs having, horizontal lower portions and upwardly inclined upper portions a pair of , upper arms, telescopically mounted in upper ends of the upper portions of the pair of base legs; a rigid step, slidably mounted to so as to extend between for substantially vertical or inclined sliding over, the upper portions of the pair of base legs and a rigid tray having a , resilient pad mounted thereon, the tray slidably mounted on the pair of upper arms. The pair of upper arms includes, lower sliding sections in telescopic mounting in the upper ends of the upper portions of the, pair of base legs. The pair of upper arms also …
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 June 25, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2024.
- 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.