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Expired Canadian patentCanada

Shortened tampon applicator

CA 1287702 C · Owner: Sanders, Irl R. Iii · Inventors: Sanders, Irl R. Iii

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 shortened tampon applicator of the telescoping tube type employs an ejector tube to store a tampon it its distal end and an outer tube disposed by a slip fit thereover to thus shorten the overall length of the tampon and applicator assembly. Directionally-locking inward flaps fixed within the distal end of said outer tube engage the distal end of the tampon stored in the ejector tube thus securing the latter relative to said outer tube while permitting only distal expulsion therefrom. The ejector tube preferably has inwardly biased flexible portions at its distal end which serve to catch behind the proximal end of the tampon. In the preferred version, the inwardly biased portions are …

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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 August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 26, 1987
GrantedAugust 20, 1991
Term endedAugust 20, 2008
Patent numberCA 1287702 C
Classification (IPC)A61F13/20 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJune 26, 1987Patent grantedAug 20, 1991Term endedAug 20, 2008

Sources & verification

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