Detection system for safety equipment
CA 2076755 A1 · Owner: Cabot Safety Corporation · Inventors: Rasmussen, Steen; Salisbury, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A detection system for monitoring safety equipment being worn by an individual for whom the wearing of such equipment is mandatory. The detection system is more specifically directed to individuals who are passing through an entryway into a designated area which requires the wearing of the equipment and also to operators, of machinery which require the same. In one embodiment the, detection system includes an infrared reflector (22) which is fixed to a designated piece of equipment, for example safety eyewear, (20), an infrared transmitter (16) and an infrared receiver (18) which are located at one side of an entryway (12) to the designated area and an alarm system which is activated when …
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 February 28, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2013.
- 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.