Self-locking connector
CA 2265048 A1 · Owner: Weeks, Don L. · Inventors: Skinner, Neal G.; Weeks, Don L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for sampling downhole fluids comprising a tool (36) attached to a connector (34) that is locked into position within a pipe section (32) is disclosed. The pipe section (32) has a longitudinal slot (62) with first and second sides (78, 80). The pipe section (32) also includes a transverse slot (64) that extends perpendicularly from the first side (78) of, the longitudinal slot (62) and a hole (66) that extends perpendicularly from the second side (80) of the longitudinal slot (62). The connector (34) is inserted into the hole (66) such that the connector (34) may be rotated between an insertion position and an operating position. The connector head ( 100) of the …
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 March 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 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.