Dry locks
CA 2424924 A1 · Owner: Feller, Mike · Inventors: Feller, Mike
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Drylocks is a manually operable implement for adhering to a keyhole on an automobile to prevent water/chemicals from entering lock chambers. Thus, allowing locks not to freeze during cold weather. The main components of this invention consist of a magnet, friction disc, moulded shell and a, handle. The magnet powers the cover and the friction disc prevents the cover from sliding off. The moulded shell covers the magnet while the handle is used to apply and take off the implement.
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 April 7, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 7, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 7, 2025.
- 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.