Vacuum cleaner wand release structure
CA 1318929 C · Owner: Whirlpool Corporation · Inventors: Tillman, Ennis Lee; Caldwell, James Ronald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PA-5654-0-VC-USA, "VACUUM CLEANER WAND RELEASE STRUCTURE" Abstract of the Disclosure, A vacuum cleaner structure wherein a force transfer structure is provided for facilitated positioning of a locking post provided for resiliently releasably locking a pair of flow passage elements in the vacuum cleaner structure. The force transfer structure defines a large area for facilitated fingertip manipulation and indication to the user of the location of the locking structure. The force transfer structure may be selectively mounted to other structure carried by the flow passage element. In one form the force, transfer structure is mounted to the flow passage element by an annular collar and, in …
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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 June 8, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 8, 2010.
- 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.