Parking brake manual release mechanism
CA 2217242 C · Owner: Moore, Roland S. · Inventors: Moore, Roland S.; Cathcart, Christopher A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A quick release mechanism including a sleeve having an external circumferential groove and a locking ring located on the sleeve and sized to seat in the groove. The locking ring is split at one location to provide split-end portions and a, rotatable clamping device is provided with a recess for receiving the split-end portions. The recess has narrow and wide dimensions that serve to engage and disengage the split-end portions of the locking ring to effect closing of the locking ring in the circumferential groove when the clamping device is rotated to present a narrow dimension to the split-end portions and to open the locking ring when the wide dimension of the recess is presented to the …
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 October 2, 1997 and granted May 29, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 2, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 2, 2019.
- 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.