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Expired Canadian patentCanada

Mower blade deflector cup

CA 2224556 C · Owner: Benway, Randy Edward · Inventors: Benway, Randy Edward

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A deflector cup coupled with a mower blade spindle for preventing material from accumulating around the spindle during operation the deflector cup including a bottom wall having an opening within which the spindle is positioned and a side wall extending upwardly, from a radially outer edge of the bottom wall. A plurality of slots formed in the bottom wall extend radially outwardly from the opening and define finger portions between adjacent slots. The finger portions extend from the opening to the radially outer edge of the bottom wall and are of a size and shape strong enough to prevent the finger portions from deforming when the spindle is positioned within the opening. The finger …

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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

  • Filed January 23, 1998 and granted October 16, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 23, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 23, 1998
GrantedOctober 16, 2001
Term endedJanuary 23, 2018
Patent numberCA 2224556 C
Classification (IPC)A01D34/82 +1 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJan 23, 1998Patent grantedOct 16, 2001Term endedJan 23, 2018

Sources & verification

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