Lip-threaded lock nut for electrical conduit connectors
CA 2310260 A1 · Owner: Sheehan, Robert K. · Inventors: Sheehan, Robert K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Generally, the present invention concerns a lock nut having a variety of features to assist in the installation of conduit or cable by threaded connectors. Specifically the lock nut, facilitates the attachment of the conduit or cable by use of a male-threaded connector to a junction box such as an electrical junction box. The lock nut can have a variety of features that facilitate ease of use and provide enhanced safety when installed such as resilient tabs for ease of entry from outside the box and an internal lip thread. Preferably, extended wedging tabs are also present. These can assist in centering and wedging the lock nut and the attached conduit or cable connector which holds 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 May 29, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 29, 2022.
- 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.