Electronic tape rule
CA 1279474 C · Owner: Phillips, Gareth Stuart · Inventors: Phillips, Gareth Stuart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic extension tape for linear measurement has a tape portion extensible from the housing thereof the, housing containing a position track with electronic reading means adjacent thereto, connected with an electrical processer providing output to a visual readout representing real tape extension in a first, operative state; and in a pre-selected second state utilizing a pre-programmed processer and memory to provide readouts as desired functions of real extension. The processor enables a tab function to be used in, which multiples of a pull-out value are flagged. The processor also permits division of an output value by an integer, so as to read a half value for a real tape …
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 January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2008.
- 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.