G - Physics – 08 – B
Patent
G - Physics
08
B
116/66
G08B 5/00 (2006.01) G01N 31/22 (2006.01) G01N 33/94 (2006.01)
Patent
CA 1108483
ABSTRACT This invention relates to a field test unit to determine the presence of cannabis (marijuna, etc.). No such field test units are known in the prior art. It has been known to be capable of making tests for the presence of cannabis within a laboratory. The present invention takes the form of a tubular device composed of a pair of members telescopingly interconnected together to form an internal enclosed chamber. An elongated swab having an absorbent tip is removably located within the internal enclosed chamber. One of the members of the housing has attached a pair of separate compartments which are interconnected by a frangible seal and further being interconnected to the internal chamber by a frangi- ble seal. Each of these compartments contain a different substance. A breaking of the frangible seal between these compartments causes intermixing of these substances. Breaking the frangible seal to the internal chamber subjects the tip of the swab to the intermixed substances. The other member of the housing has attached at its closed end a third compartment which contains a third substance. This third compartment is separated from the internal enclosed chamber by a frangible seal. After the tip of the swab has been placed in contact with the drug contact area, and in contact with the first two sub- stances, the tip of the swab is then placed in contact with the third substance after breaking of its adjacent frangible seal. If the tip of the swab was in contact with cannibus, it would change color.
335016
Borden Ladner Gervais Llp
Olsen C. Eric
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