Protective helmet
CA 2354161 A1 · Owner: Obreja, Catalin · Inventors: Obreja, Catalin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns the production of a helmet for craniocerebral protection adapted to the anatomy of the head and neurosurgical knowledge. The invention aims at decreasing craniocerebral lesions and post-traumatic neurologic disorders by high absorption of energy in the event of a violent impact by the deformation or fracture of the helmet shell opposite the zones of maximum resistance of the skull and by a better protection of the skull by an intermediate cap having a hardness even a density variable and adapted to the resistance of the different regions of the skull dome. The inventive helmet can be integral or not and is particularly designed for civilians (motorcycles: for tests …
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 December 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2021.
- 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.