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Expired Canadian patentCanada

Container for dental x-ray film package

CA 1304617 C · Owner: Nix Company Ltd. · Inventors: Tanaka, Hiroyuki

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

A container for a dental X-ray film package which can prevent attachment of saliva of a patient to the dental X-ray film package contained therein. The container comprises a containing element formed from a flexible sheet for containing a dental X-ray film package therein, and a gripping element formed from at least one flexible sheet and connected to the containing element. The gripping element extends outwardly of an oral cavity of a patient when the containing element is inserted in the oral cavity. When an X-ray photograph is to be taken, a dental X-ray film package is inserted into the containing element and then the containing element is placed at a suitable position for photographing …

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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 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 15, 1988
GrantedJuly 7, 1992
Term endedJuly 7, 2009
Patent numberCA 1304617 C
Classification (IPC)G03B42/04

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedAug 15, 1988Patent grantedJuly 7, 1992Term endedJuly 7, 2009

Sources & verification

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