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Expired Canadian patentCanada

Aligned slideholder and assembly

CA 2018872 C · Owner: Fisher Scientific Company · Inventors: Mordecki, Thomas A.

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 slideholder device contains a handle portion a, rigid thermoplastic body portion and a plurality of metal clip structures. Each clip structure is received within one of the recesses formed along the interior of a sidewall of the body portion. The body portion forms a first combination of aligning elements to hold each clip structure within a recess. The body portion also has elements to directly align slides, especially in the vertical direction. The holder portion can be attached above one or more than one body portion and, can be detachable. The slide assembly includes a plurality of slide pairs, each extending into opposing recesses on opposite sidewalls of a body portion.

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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 13, 1990 and granted April 23, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 13, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 2012.
  • 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 13, 1990
GrantedApril 23, 1996
Term endedJune 13, 2010
Patent numberCA 2018872 C
Classification (IPC)G01N1/28 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedJune 13, 1990Patent grantedApril 23, 1996Term endedJune 13, 2010

Sources & verification

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