Improved locking device for bird/animal cage
CA 2220619 A1 · Owner: King, Richard · Inventors: King, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A latch includes an angled bracket having a front flange and a rear flange, each flange defining a hole a cylindrical bolt, having a front end and a rear end with an orthogonal bolt handle located intermediate of the front and rear ends and a coil, spring. The angled bracket includes at least two substantially orthogonal contiguous sides which extend from the front flange to the rear flange where these sides contain a substantially U-shaped slot, a portion of which lies on one of the sides and a portion of which lies on the other side. The bolt is arranged relative to the angled bracket such that the bolt handle extends through the slot and the ends of the bolt extend through the respective …
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 November 10, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 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.