Cushioning member and method of manufacturing the same
CA 2504253 A1 · Owner: Wylie, Grant · Inventors: Wylie, Grant; Kawashita, Takashi; Ohara, Yasuyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cushioning member is located between each support frame and the corresponding side of the shutter. The cushioning member (20) includes a pair of belt-shaped base members (21) and pile yarns (22) bridging between the base members (21). Some of the pile yarns (22) are cut at an intermediate portion (23) between the base members (21), which forms opposing first and second cut pile yarns with a cut in between. One of the base members (20) is attached to each support frame, and the other base member (20) contacts the shutter. The cut (23) permits the cushioning member to flexibly respond to movements of the shutter and satisfactorily exerts a cushioning function to suppress swaying of …
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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 October 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.