Unitizing element and method for assembling a seal
CA 2500442 C · Owner: Chitren, Elizabeth · Inventors: Tones, Christopher; Chitren, Elizabeth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An annular unitizing element (30) comprising a rotor engaging member (36) a , stator engaging member (32), and a rear member (34). The radially outer surface of the unitizing element comprises two areas of differing diameter one corresponding to the rotor engaging member and the other corresponding to the rear member. The stator engaging member extends radially inward from the radially inner side of the annular unitizing element. A sealing assembly for sealing a rotating shaft and a bearing housing (68) comprising a rotor (50) comprising, an annular engagement flange (52) extending in an axial direction comprising a groove (54) on a radial side thereof a stator (10) comprising, an …
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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 29, 2003 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 29, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 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.