Anti-theft device
CA 1310716 C · Owner: Hultaker, Eric · Inventors: Hultaker, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a procedure for applying an anti-theft device on goods, and ink/dye/paint for use therewith. The ink to be applied on the goods is mixed with magnetizable particles said particles being mag-, netized, and demagnetization being effect upon payment or leaving the premises. An alarm signal is emitted if a marked article which has not been demagnetized, is taken out.
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 November 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 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.