Face protective device
CA 1295089 C · Owner: American Optical Corporation · Inventors: Krusas, James J.; Desy, Raoul O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Invention: A transparent faceshield for protecting the face and eyes from impact and the like is detachably connected to an arcuate visor or crown using detents integrally molded to the crown and corresponding through-holes in the faceshield which receive and engage the detents. The use of integrally molded detents permits removable attachment of the faceshield to the crown without the necessity for secondary operations or discrete assembly hardware thus providing a system which is easily assembled and disassembled by the end user.
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
- Granted February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 2009.
- 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.