Level indicating and elevation indicating device
CA 1096607 A · Owner: Turloff, Harry E. · Inventors: Turloff, Harry E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pair of upright stands are provided and include enlarged bases by which the stands may be supported on variously elevated support surfaces. Each of the stands has a vertically elongated support mounted thereon for adjustable vertical positioning therealong and each such stand has a scale thereon by which the positioning of the support therealong may be precisely determined and adjusted as desired. Each support includes a structure supporting an upstanding transparent tube sections therefrom and the lower ends of the tubes are connected by means of an elongated flexible tube member including an expandable and contractable reservoir. One or both of the transparent tube sections may be …
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 March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- 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.