Patent Yard Sign in
Expired Canadian patentCanada

Rubberless tire bead assemblies and method of making same

CA 1319599 C · Owner: Rausch, Doyle W. · Inventors: Rausch, Doyle W.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Rubberless tire bead assemblies are disclosed containing either a single wire element or multiple wire elements wound about an axis to provide a plurality of convolutions of the single wire or multiple wile elements to provide the bead hoop and shape-retaining members engaging the bead hoop about the circumference of the bead hoop to retain the bead assembly in a planar configuration. Rubber tire bead assemblies having wire termination ends positioned internally or externally with respect to the bead assembly and methods of making these bead assemblies are disclosed.

Read the whole patent

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 June 29, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 29, 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.
FiledMay 9, 1988
GrantedJune 29, 1993
Term endedJune 29, 2010
Patent numberCA 1319599 C
Classification (IPC)B60C15/04 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMay 9, 1988Patent grantedJune 29, 1993Term endedJune 29, 2010

Sources & verification

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