Stackable wheeled chair
CA 1067006 A · Owner: American National Red Cross · Inventors: Harrison, Marc S.; Schwartz, Robert T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stackable wheeled chair particularly for use in a mobile blood collection system. Each chair comprises a pair of laterally spaced, generally inverted U-shaped leg means. Each leg means includes front and rear leg members which diverge downwardly from an upper connecting member with flared offset portion at the lower end of each leg member rotatably supporting a caster means. Each leg means includes a stacking member spanning its front and rear leg members and positioned below the connecting member. The stacking members includes portions resting on the connecting member of the next lower chair in a stack with side portions to preclude lateral tipping. The wheels of the caster members ride …
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
- Granted November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.