Inspection apparatus for tubular members
CA 2020055 A1 · Owner: Cencit Europe Limited · Inventors: Cruickshank, John Smith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An inspection apparatus for the internal inspection of tubular members has a body 1 adapted for insertion into the tubular member and the body has an inspection window 2. A projection means including a laser 14 and associated reflectives 13 10 and 9, the reflective 9 being, rotated by a motor 7 is directed such that a beam of radiant energy is directed through the window to illuminate an axial extending strip of the entire 360° interior circumference of the tubular member. Light reflected from the tubular member passes through the window 2 and is reflected by reflective 8 onto a camera 12 which via transmitting, circuitry 16 transmits the image ring C and the light reflected by the window B …
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 June 28, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2012.
- 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.