Mechanism for a writing instrument, writing instrument comprising one such mechanism, and production method
CA 2575355 C · Owner: Rolion, Franck · Inventors: Rolion, Franck; Bez, Arnaud
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a mechanism for a writing instrument said mechanism comprising a first tubular element (10) having a central axis and a first (12) and second wall (14) each wall comprising a first and second edge (16 18) defining a guide (20) which extends longitudinally according to a direction which is inclined in relation to a central axis between a first end and a second end (24). The inventive mechanism also comprises a second element (26) which is adapted in such a way as to slide along the first element (10) and comprises a lug (28) sliding in the guide (20). The second wall (14) is staggered towards the central axis in relation to the first wall (12) according to a radial …
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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 July 20, 2005 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.