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Expired Canadian patentCanada

Lens holding means for light fixtures

CA 1064879 A · Owner: Haynen, Gilbert M. · Inventors: Haynen, Gilbert 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

A spring clip is secured to a support at each end of a light fixture such as a fluorescent light fixture and the clip extends downwardly therefrom. It is provided with at least one projection which snap engages a bead formed on the upper end edges of a lens component thus detachably securing the lens in position in an easy and unobtrusive manner.

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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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 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—
GrantedOctober 23, 1979
Term endedOctober 23, 1996
Patent numberCA 1064879 A
Classification (IPC)F21V21/08 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedOct 23, 1979Term endedOct 23, 1996

Sources & verification

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