Transparent plastic face shield for use by hairdressers and also for home use
CA 2109500 A1 · Owner: Williams, Chisa Rae · Inventors: Williams, Chisa Rae
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A transparent plastic face shield of novel variety for, use by Hair Dressers, and also for use at home; said shield worn by client while the hair cutting operation takes place in front of the face; said shield executed and made to fit snugly yet comfortably against the upper portion of the client's face preventing hair cuttings from falling onto said face and also, simultaneously acting as a safety shield; said shield being transparent to allow cutting the forward comber hair to the exact proper length in relation to the client's eyebrows.
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 5, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 5, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 5, 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.