Expired Canadian patentCanada
Road sweeping and refuse collecting machine
CA 243237 A · Owner: Reginald Fitzroy Clayton · Inventors: Reginald Fitzroy Clayton; John William Jemmison
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead 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 September 30, 1924. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 1941.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 30, 1924
Term endedSeptember 30, 1941
Patent numberCA 243237 A
Classification (IPC)E01H1/02
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.