Syringe device with resistive ridges and methods of use
CA 2499633 A1 · Owner: G6 Science Corp. · Inventors: Ferguson, Gary W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A syringe device (100) incorporating ridges (125) that cause resistive changes to the movement of the syringe gasket (115) or plunger (120) thereby , providing user feedback as to the position and speed of plunger movement. Such user feedback may be useful in stressful situations under poor lighting , conditions or in other unfavorable circumstances. Additionally in certain , embodiments these ridges may aid in accurate dispension or allow the syringe to derive additional functionality, such as performing as a vacuum source. Ridges can be protrusions such as tabs bubbles or continuous rings (225, 231, 335) for single or repeated use or these ridges may be formed as indentations. Ridges …
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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 September 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 17, 2025.
- 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.