Tape element and methods, for heating, pressure measurement and circuit fabrication
CA 1297140 C · Owner: Tapeswitch Corporation Of America · Inventors: Lovell, Walter C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tape Element And Methods, For Heating, Pressure Measurement And Circuit Fabrication, ABSTRACT Ordinary inexpensive magnetic recording tape is used to create a novel resistance element which may be made pressure sensitive to perform a number of tasks involving robot finger control intrusion alarm systems, and portable weighing scales. A pressure insensitive resistance element is also used as an efficient, inexpensive heating tape element or to make, precision resistors having little bulk and resistive networks, which may be customized by a user.
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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
- 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.