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Expired Canadian patentCanada

Multiplet jewelry product with internally embedded visual indicia

CA 1286513 C · Owner: Normann, George W. Jr. · Inventors: Normann, George W. Jr.

CIPO record

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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 multiplet jewelry product constructed of two or more layers of material affixed together having visual indicia secured therebetween is disclosed. Affixation is preferably accomplished using adhesive materials. The top layer of the multiplet jewelry product is constructed of a material sufficiently transparent to permit observation of the visual indicia. Subsequent layers of material consist of selected transparent, semi-transparent or non-transparent gemstone materials. Visual indicia usable in the invention include symbolic representations words, alphabet letters, pictures, designs or objects. The, completed product represents an attractive and unique jewelry item having an unusual and …

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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 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.
FiledJanuary 27, 1987
GrantedJuly 23, 1991
Term endedJuly 23, 2008
Patent numberCA 1286513 C
Classification (IPC)A44C17/00

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 27, 1987Patent grantedJuly 23, 1991Term endedJuly 23, 2008

Sources & verification

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