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Expired Canadian patentCanada

Lifting sling for invalid

CA 1266449 C · Owner: Zonneveld, Ralph · Inventors: Zonneveld, Ralph

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

This invention is directed to a lifting sling for invalids particularly those which use a wheelchair. More particularly this invention is directed to a, flexible foldable lifting apparatus which can be placed under a paraplegic or a quadraplegic while sitting in a wheelchair or chair, or lying on a bed and utilizing, two persons, lifting the invalid from the wheelchair or chair onto a bed or other sitting device or vice versa. It relates to an apparatus useful for permitting incapacitated persons to be lifted from one location to another comprising: (a) flexible means for positioning at the back and under the buttocks and thighs of the person; (b) gripping means secured to the bottom …

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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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 24, 1987
GrantedMarch 6, 1990
Term endedMarch 6, 2007
Patent numberCA 1266449 C
Classification (IPC)A61G7/10

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedApril 24, 1987Patent grantedMarch 6, 1990Term endedMarch 6, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.