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Expired Canadian patentCanada

Protective skirt assembly for a container

CA 1160165 A · Owner: Carlson, Franklin A. · Inventors: Carlson, Franklin A.

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 Present Invention, A protective skirt for a barrel or other container. The assembly includes a cylindrical skirt made of resilient material which is bonded to the outer surface of a stamped metal backing ring. The inner and outer annular edges of the ring project beyond the corresponding edges of the skirt and are welded to the dome-shaped head of the barrel or container. The inner peripheral surface of the skirt is formed with a groove which acts as a hinge point to prevent buckling of the skirt under heavy impact. The resilient skirt will substantially increase the service life of the barrel or container by cushioning impact during handling and, the welded backing ring …

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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 January 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 8, 1981
GrantedJanuary 10, 1984
Term endedJanuary 10, 2001
Patent numberCA 1160165 A
Classification (IPC)B65D25/20 +1 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedApril 8, 1981Patent grantedJan 10, 1984Term endedJan 10, 2001

Sources & verification

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