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Expired Canadian patentCanada

Camera for medical, particularly dental use

CA 2557708 C · Owner: Mazuir, Alain · Inventors: Mazuir, Alain; Boyer, Philippe

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

The medical, particularly dental imaging camera comprising an elongated housing (2) that can be held by a single hand of a user and provided at its front end, with imaging means, this housing (2) comprising sensitive control means capable of freezing on display means (5), an image selected by the user these control means having a detection area (9) situated on the housing (2) that is delimited by a surface discontinuity such as a recess or a relief (11). The housing (2) encloses a sensor element associated with an electronic driving circuit and an electrostatic foam element whose one end is applied against the sensor element and whose opposite end is applied against an area of the inner …

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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 February 25, 2005 and granted October 1, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 2025.
  • 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.
FiledFebruary 25, 2005
GrantedOctober 1, 2013
Term endedFebruary 25, 2025
Patent numberCA 2557708 C
Classification (IPC)A61B1/04 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 25, 2005Patent grantedOct 1, 2013Term endedFeb 25, 2025

Sources & verification

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