Writing instrument
CA 2320751 A1 · Owner: Luntz, S. Richard · Inventors: Luntz, S. Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A writing instrument (10) has an elongate body equipped with a pocket connector (16). The connector (16) includes a leg (18) secured to the body and a relatively rigid, elongate stem (20) extending from the leg (18) in generally parallel relationship with a face surface (24) of the body to define a pocket receiving space therebetween. The stem (20) has a remote spring engaging surface near an end of the stem (20) remote from the leg (18). A pocket engaging leaf spring (25) is disposed in the space and has ends (26 28) in biased engagement with the remote spring surface and another spring surface near the leg. The spring (25) is bowed such that a central portion of the spring (25) is …
Read the whole patent
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 19, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 19, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.