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Expired Canadian patentCanada

Machine for making paper tubes

CA 71869 A · Owner: Stevens Coe, Edward · Inventors: Bailey, Charles Alexander; Stevens Coe, Edward

CIPO record

Overview

Drawings and full text

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 June 18, 1901. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 1918.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 22, 1901
GrantedJune 18, 1901
Term endedJune 18, 1918
Patent numberCA 71869 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190219041906190819101912191419161918Application filedApril 22, 1901Patent grantedJune 18, 1901Term endedJune 18, 1918

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.