Head immobilizer
CA 2000222 A1 · Owner: Patterson, Charlie A. · Inventors: Traut, James R.; Patterson, Charlie A.; Weston, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A head immobilization device is disclosed comprising a foundation portion and a restraining portion. The foundation portion comprises a foundation panel and a first engaging means situated on the top surface of the foundation panel. The restraining portion comprises a base panel, two side panels extending laterally from the outer sides of the base panel, two outside panels extending laterally from the outer side of each of the side panels two anchor panels extending laterally from the outer side of each of the outside panels and a second engaging means situated on the top surface of each of the anchor panels such that the second engaging means is engagable with the first engaging means so …
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 5, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2011.
- 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.