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Expired Canadian patentCanada

Safety tire and take-apart wheel construction

CA 1319945 C · Owner: Weeks, James B. · Inventors: Swartz, Roger E.; Weeks, James B.; Payne, Roger E.

CIPO record

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

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Abstract From the Canadian patent

A take-apart wheel rim and disc assembly for use in a safety tire and wheel assembly which includes a pneumatic tubeless tire. The wheel includes an inboard rim part a wheel mounting disc, having an outer marginal flange telescoped into and secured to the inboard rim part, the disc flange having an outer surface protruding axially outboard beyond and clear of the inboard rim part. An outboard rim part telescopically received from an axially outboard direction over the disc flange, an O-ring seal disposed between the disc and opposing surfaces of the inboard and outboard rim parts and, a clamp ring for axially clamping the outboard and inboard rim parts together with the O-ring captured in …

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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 July 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 6, 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 25, 1988
GrantedJuly 6, 1993
Term endedJuly 6, 2010
Patent numberCA 1319945 C
Classification (IPC)B60B25/22

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMarch 25, 1988Patent grantedJuly 6, 1993Term endedJuly 6, 2010

Sources & verification

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