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Expired Canadian patentCanada

Date cycling storage calendar

CA 2433282 C · Owner: Doss, Cathryne · Inventors: Doss, Cathryne

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 three dimensional, interchangeable calendar capable of organizing an individual or family's schedule. The calendar includes multiple rows of storage trays (14, 16, 18, 20, 22), each of which has multiple compartments (25). The calendar utilizes the storage compartments behind each individual date (28) to place cards or other items that can serve as reminder of daily commitments. Each compartment correlates to a single day. The storage trays themselves are also movable and positionable at different locations on the housing (10). The calendar permits the user to cycle in new dates as he or she desires and to maintain essentially a rolling calendar of commitments for the upcoming …

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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 December 20, 2001 and granted March 15, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 20, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 20, 2001
GrantedMarch 15, 2011
Term endedDecember 20, 2021
Patent numberCA 2433282 C
Classification (IPC)G09D3/02

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedDec 20, 2001Patent grantedMarch 15, 2011Term endedDec 20, 2021

Sources & verification

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