Dry transfer method for the preparation of explosives test samples
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Aug 18, 2000
filing date -
Aug 18, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of preparing samples for testing explosive and drug detectors of the type that search for particles in air. A liquid containing the substance of interest is placed on a flexible Teflon.RTM. surface and allowed to dry, then the Teflon.RTM. surface is rubbed onto an item that is to be tested for the presence of the substance of interest. The particles of the substance of interest are transferred to the item but are readily picked up by an air stream or other sampling device and carried into the detector.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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U S DEPARTMENT OF HOMELAND SECURITY THE | 245 MURRAY LANE S&T / OGC MAIL STOP 0205 WASHINGTON DC 20528-0205 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Chamberlain, Robert T | Mays Landing, NJ | 1 | 11 |
# of filed Patents : 1 Total Citations : 11 |
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Patent Citation Ranking
- 11 Citation Count
- G01N Class
- 54.34 % this patent is cited more than
- 23 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Apr 24, 2012 | PD | Priority Date |

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