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Expired Canadian patentCanada

Surgical microscope drape with removable lens assembly

CA 2610954 C · Owner: Bala, Andrew J. · Inventors: Bala, Andrew J.

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

The present invention relates to a surgical microscope drape with a removable lens assembly for use with surgical microscopes. The drape assembly comprises an elongated hollow enclosure of sheet-form material having a first end defining an access opening and a second end defining a hole and at least four ocular pockets. The access opening enables the drape assembly to be pulled over the body of a surgical microscope while the four ocular pockets each cover corresponding ocular ports of the microscope. A view portal located on the enclosure at the hole is adapted to be located within a cavity of the objective lens barrel. The portal houses a removable lens assembly that includes a …

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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

  • Filed June 6, 2006 and granted November 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 6, 2006
GrantedNovember 19, 2013
Term endedJune 6, 2026
Patent numberCA 2610954 C
Classification (IPC)G02B1/00

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 6, 2006Patent grantedNov 19, 2013Term endedJune 6, 2026

Sources & verification

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