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Expired Canadian patentCanada

Light reflector system

CA 1266850 C · Owner: Specuflex, Inc. · Inventors: Lee, Richard H.

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 reflector assembly for fabricating as part of an original light fixture or for retrofitting a light fixture in the field. First (36) and second (52) reflector structures are formed with seams (38,58) about which the various reflector surfaces can be rotated for adjustment with respect to a fluorescent tube (30). A flap (62) and tape strip (74) are accessible through doors (76) for securing the reflectors in the fixture housing (24). A third reflector (178) can also be installed. A composite reflector (188) is formed by joining the respective reflectors with two additional sections (218 228). The preferable reflector material is cardboard over which is formed a specular surface. For …

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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 March 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 10, 1986
GrantedMarch 20, 1990
Term endedMarch 20, 2007
Patent numberCA 1266850 C
Classification (IPC)F21V17/10 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMarch 10, 1986Patent grantedMarch 20, 1990Term endedMarch 20, 2007

Sources & verification

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