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Expired Canadian patentCanada

Toy projector

CA 261860 A · Owner: Bernard Brock · Inventors: Bernard Brock

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

No Claude kit for weapons

Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.

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 June 22, 1926. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 1943.
  • 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—
GrantedJune 22, 1926
Term endedJune 22, 1943
Patent numberCA 261860 A
Classification (IPC)A63H5/00 +2 more

Timeline

Timeline From CIPO dates

192719291931193319351937193919411943Patent grantedJune 22, 1926Term endedJune 22, 1943

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.