Screw action hot stick
CA 1212527 A · Owner: Kearney-National Inc. · Inventors: Landis, Alfred R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tool for use in conjunction with energized high voltage electric circuits and which includes a housing structure having a pair of angularly related intersecting passages a pair of, bevelled pinions rotatably mounted respectively in said passages and arranged to cooperate with each other a stem portion of the, driven one of said pinions being connected with a coupling element, an elongated tubular element formed of insulating material and having one end thereof secured to the housing structure in coaxial relation to the one of said passages in which a driving pinion is mounted, and an elongated tubular drive shaft rotatably mounted within said elongated tubular element and having its inner …
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
- Granted October 14, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 2003.
- 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.