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Expired Canadian patentCanada

Ladder hoop

CA 64902 A · Owner: Grant, Charles Henry · Inventors: Grant, Charles Henry

CIPO record

Overview

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

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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.

Google PatentsCIPO record

Why it's free to use

  • Granted November 14, 1899. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 14, 1916.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 17, 1899
GrantedNovember 14, 1899
Term endedNovember 14, 1916
Patent numberCA 64902 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190019021904190619081910191219141916Application filedOct 17, 1899Patent grantedNov 14, 1899Term endedNov 14, 1916

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.com

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