Crossbow
CA 1237350 A · Owner: B & P Barnett Limited · Inventors: Collins, Anthony J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
SPECIFICATION, TITLE OF THE INVENTION, "Crossbow" ABSTRACT OF THE DISCLOSURE, A crossbow has a prod in two parts each of which is pivotally, connected with the stock so that the prod parts can lie alongside the stock when the bow is not in use. When the bow is prepared for use the prod parts, are clamped in operative positions by a mechanism which includes a handle and which provides a substantial mechanical advantage to the operator.
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.
Why it's free to use
- Granted May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.