Personal protection system including a helmet, the helmet having chin bar mounted control buttons
CA 2933895 C · Owner: Stryker Corporation · Inventors: Campbell, Douglas; Tyler, Douglas L.; Foor, Jacob C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A personal protection system for providing a sterile barrier around medical/surgical personnel. The system includes a head unit over which a hood or a toga suspended. Internal to the head unit is a ventilation fan a light for illuminating the surgical field and communications system for communicating with others. The head unit includes a head band. The ventilation fan is adjustably mounted to the head band so it can be positioned at a location to minimize the strain imposed on the wearer.
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 July 13, 2006 and granted June 9, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 13, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.