Disposable test kit apparatus and method for bacteria
CA 2199445 C · Owner: Charm Sciences, Inc. · Inventors: Zomer, Eliezer; Gandman, Max; Charm, Stanley E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A safe, disposable test kit apparatus for the detection of pathogens in a test sample, such as coliform bacteria and E. coli. The apparatus comprises a transparent plastic bag divided into a sample compartment to receive a test sample such as water and a media compartment having a powdered growth medium with an indicator for the pathogens. The test kit apparatus includes a sanitizer compound or composition in a separate compartment to be introduced into the sample and media compartment after incubation and reading of the test results to provide for the total deactivation of the pathogen grown on the media after incubation thereby permitting the safe disposal of the plastic bag with the …
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 March 7, 1997 and granted October 24, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 7, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 7, 2019.
- 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.