Linear optical sensor for a closure
CA 2435237 A1 · Owner: Schafer, Thomas C. · Inventors: Schafer, Thomas C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for detecting the presence of a closure (14) on a container (12) and determining whether the closure (14) is properly seated includes at least two fiber optic heads (18,20)positioned opposite one another on either side of container transport mechanism. The optic heads (18,20) face one another through the path of travel of a container (12). The optic fibers of the receiving head (18) are arranged in a rectangular shape narrow in the , horizontal direction and long in the vertical direction. The optic heads (18,20) are connected to an optical sensor (22) with an analog output. As a container (12) with a closure (14) travels down the transport mechanism the , …
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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 January 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 8, 2024.
- 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.