Patent Yard Sign in
Expired Canadian patentCanada

Locking pin

CA 1232476 A · Owner: Liljedahl, Gunnar · Inventors: Liljedahl, Gunnar

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

Locking pins are usually in the form of so called split pins. These pins are impaired by the disadvantage that they normally can be used only once and very often do not form a distinct locking position in the axial direction for the shaft locking which the pin is intended to perform. These disadvantages are eliminated in that the pin is formed from an elastic material, that it in its longitudinal direction has a symmetry plane, the section of which through the pin forms two opposite outlines one of which bends outwardly. The bent-out outline has a peak height measured from an opposite straight line, which connects two end points of the second outline of the locking pin which peak, height is …

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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 7, 1985
GrantedFebruary 9, 1988
Term endedFebruary 9, 2005
Patent numberCA 1232476 A
Classification (IPC)F16B19/00 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedFeb 7, 1985Patent grantedFeb 9, 1988Term endedFeb 9, 2005

Sources & verification

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