Tine for the attachment on a cylindrical carrier tube of a reel and tine arrangement with a carrier tube and least one tine
CA 2463632 A1 · Owner: Schumacher, Gustav · Inventors: Schumacher, Friedrich-Wilhelm; Schumacher, Gustav
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 tine for fixing to a cylindrical carrier bar of a reel, in addition to a tine assembly comprising a carrier bar and a tine. The tine (8) comprises the following: a coil spring section (10) with at least one convolution wound about a coil spring axis (11) as far as a screw line; an engagement section (14), which is immediately adjacent to and leads continuously from the first end (12) of the convolution of the coil spring section (10), terminating in a free end (15); a fixing section (16) which is , immediately adjacent to the second end (13) of the convolution and whose free end is bent to form an eyelet (17) with a through opening (18) that projects …
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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 16, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2023.
- 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.