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Expired Canadian patentCanada

Method of assembling a disk

CA 1320817 C · Owner: Peck, Donald Ray · Inventors: Thompson, Warren Lynn; Swartzendruber, James Allen; Peck, Donald Ray

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract of the Disclosure A simplified method of assembling a disk from the ground up by first assembling disk gangs and then connecting the disk gangs together to provide self-standing front and rear main disk gang pairs. The main frame is assembled over main disk gang pairs after which wheel modules are attached. Disks of different sizes are assembled, utilizing generally identical main frame beams with the same connecting locations by, decreasing the distance between the forward and rear gang pairs and moving the main frame beams outwardly as the desired width of the disk increases.

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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 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 8, 1989
GrantedAugust 3, 1993
Term endedAugust 3, 2010
Patent numberCA 1320817 C
Classification (IPC)A01B21/08 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMarch 8, 1989Patent grantedAug 3, 1993Term endedAug 3, 2010

Sources & verification

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