Strap locking device
CA 2109745 C · Owner: Chou, An-Chuan · Inventors: Chou, An-Chuan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A strap locking device includes a strap locker having a plate body with a plurality of projecting-outward ends spaced apart in different directions. Each of projecting-outward ends is formed with a buckle for locking a strap of adjustable length and has its outer end bound on a hook to hook on a hook of a truck or something. The buckle is capable of being substituted by a strap stopper, which has both ends flat to loosely fit in two slots provided in two opposite side walls formed in one of the plural ends of the plate body. The strap stopper has a round intermediate portion to cramp a strap immovable when the strap is pulled tight. One of said ends of the plate body is only provided with a …
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 23, 1993 and granted June 1, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2015.
- 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.