A sealing device and a method of repairing/replacing sealing devices
CA 2352741 A1 · Owner: Toner, Michael · Inventors: Toner, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sealing device (20), optionally in the form of a kit is provided for sealing about a rotatable member such as a shaft (22) includes a follower housing , (32) for mounting about the rotatable member (22) with an axial direction of the follower housing (32) aligned with the rotational axis of the rotatable member (22). Further, a follower (40) is provided for compressing a primary sealing means such as packing (28) for sealing against the rotatable member (22). The follower (40) is slidable within the follower housing (32) generally in axial direction and has sliding interfaces (54 56) for interfacing with , the follower housing (32) and/or the rotatable member (22). There is also a …
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 December 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 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.