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Expired Canadian patentCanada

Anchor for precast concrete

CA 715775 A · Owner: Slater, William M. · Inventors: Slater, William M.

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.

Why it's free to use

  • Granted August 17, 1965. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 17, 1982.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 26, 1964
GrantedAugust 17, 1965
Term endedAugust 17, 1982
Patent numberCA 715775 A
Classification (IPC)E02D5/74 +1 more

Timeline

Timeline From CIPO dates

196519671969197119731975197719791981Application filedMay 26, 1964Patent grantedAug 17, 1965Term endedAug 17, 1982

Sources & verification

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