Razor with sound indicator signalling first use
CA 2307136 A1 · Owner: Rebaudieres, Jean Bernard · Inventors: Rebaudieres, Jean Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a razor (1) whereof the head (2) is provided with a protective element (4) wherein it is removably fitted to protect the cutting edge(s) (3) before and optionally after use; said razor (1) comprises at least one tab (6) fixed either on the head or on the protective element and urged to be engaged respectively either on part of the protective element or on the head so as to be broken when the protective element (4) is detached from the head (2) for the first time. Preferably the protective element is a cap (4) fitted removable on the razor head (2) for protecting the cutting edge(s) (3) before and after use and the tab (6) is fixed on the razor head (2) urged to be …
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 28, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 28, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 28, 2020.
- 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.