Closure device
CA 2371744 A1 · Owner: Chen, Chih-Hung · Inventors: Chen, Chih-Hung; Savicki, Alan F. Sr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The closure device includes first and second interlocking fastening strips (130, 131) arranged to be interlocked over a predetermined length. The fastening strips (130, 131) have a longitudinal X axis (160) a transverse Y , axis (162) and a vertical Z axis (164). The fastening strips (130 131) are , occluded and deoccluded by moving the first fastening strip (130) relative to the second fastening strip (131) in substantially the vertical Z axis (164). The fastening strips (130, 131) may also move in the Y axis (162) rotate or , deflect during occlusion. In addition the fastening strips may include a , locking feature (1244 1245) to prevent unintentional deocclusion.
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 June 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 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.