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Expired Canadian patentCanada

Collapsible guard rail for x-ray table or the like

CA 1052503 A · Owner: Conrad, Raymond M. · Inventors: Whitcomb, Charles R.; Conrad, Raymond M.

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

An X-ray table has a cassette holder for receiving an X-ray film cassette and releasably retaining it generally adjacent the lower surface of the table top and at least one collapsible guard rail assembly supported for movement between raised and lowered positions. The guard rail assembly includes a hollow elongated top rail supported above the plane of the table top in said raised position and disposed adjacent an associated side edge of the table top immediately above the cassette holder in said lowered position. The support members which carry each top rail and the means for retaining it in its raised position are substantially wholly disposed within the confines of the hollow top rail …

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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 April 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 17, 1979
Term endedApril 17, 1996
Patent numberCA 1052503 A
Classification (IPC)A61B6/04

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedApril 17, 1979Term endedApril 17, 1996

Sources & verification

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