US3902851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of detecting odors and apparatus therefor
Assignee: Fats & Proteins Res Found
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Filing: 1974-01-09
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Granted: 1975-09-02
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Expires: 1994-01-09
Abstract
Abstract Odor detecting apparatus comprises a container for holding a sample of the material to be tested, a pump for withdrawing portions of the sample, and a device for presenting the sample material to the nose of a test panel member. The apparatus also includes a second pump for delivering samples of an odorless material for comparison with the sample material.
Inventors
- 👤 Andrew Dravnieks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:28
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/26; G01N33/00; G01N33/0001
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
88 words
APPARATUS FOR ENHANCING THE SMELLING CAPABILITY OF A TESTER, COMPRISING: CONTAINER MEANS FOR A FLUID TO BE TESTED, ODOR SAMPLING MEANS INCLUDING A PLURALITY OF SPACED PORTS, EACH HAVING A FLARED OUTLET SHAPED TO ACCOMODATE THE NOSTRILS OF A TESTER, FIRST PUMP MEANS CONNECTED TO SAID CONTAINER MEANS AND TO SAID ODOR SAMPLING MEANS FOR DELIVERING A FIRST FLUID TO A FIRST ONE OF SAID PORTS, AND SECOND PUMP MEANS CONNECTED TO A SECOND OF SAID PORTS FOR DELIVERING A SECOND FLUID THERETO FOR COMPARISON WITH FIRST FLUID.
Claim 2
Dependent Claim
88 words
APPARATUS FOR ENHANCING THE SMELLING CAPABILITY OF A TESTER, COMPRISING: CONTAINER MEANS FOR A FLUID TO BE TESTED, ODOR SAMPLING MEANS INCLUDING A PLURALITY OF SPACED PORTS, EACH HAVING A FLARED OUTLET SHAPED TO ACCOMODATE THE NOSTRILS OF A TESTER, FIRST PUMP MEANS CONNECTED TO SAID CONTAINER MEANS AND TO SAID ODOR SAMPLING MEANS FOR DELIVERING A FIRST FLUID TO A FIRST ONE OF SAID PORTS, AND SECOND PUMP MEANS CONNECTED TO A SECOND OF SAID PORTS FOR DELIVERING A SECOND FLUID THERETO FOR COMPARISON WITH FIRST FLUID.
Claim 3
Dependent Claim
27 words
Apparatus according to claim 1 wherein said odor sampling means includes cup housing means for said ports, said cup housing means mounting said ports in equidistant relationship.
Claim 4
Dependent Claim
24 words
Apparatus according to claim 2 which further includes signalling means including a switch mounted in said cup housing means adjacent each of said ports.
Claim 5
Dependent Claim
20 words
Apparatus according to claim 1 which further includes flow control means between said first pump means and said first port.
Claim 6
Dependent Claim
14 words
Apparatus according to claim 4 wherein said flow control means includes a fixed orifice.
Claim 7
Dependent Claim
13 words
Apparatus according to claim 5 wherein said fixed orifice includes a capillary tube.
Claim 8
Dependent Claim
17 words
Apparatus according to claim 1 which further includes choice indicator means associated with each of said ports.
Claim 9
Dependent Claim
15 words
Apparatus according to claim 1 wherein said first pump means comprises a positive displacement pump.
Claim 10
Dependent Claim
14 words
Apparatus according to claim 8 wherein said positive displacement pump comprises a peristaltic pump.
Claim 11
Dependent Claim
17 words
Apparatus according to claim 8 which further includes drive means for operating said positive displacement pump continuously.
Claim 12
Dependent Claim
25 words
Apparatus according to claim 1 wherein said odor sampling means includes three sampling ports, two of said ports being connected to said second pump means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |