Patent US3343421A successfully refreshed from Google Patents.
US3343421A
Expired / Lapsed
US
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Method and apparatus for extracting soil gas samples
Assignee: Individual
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Filing: 1965-01-15
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Granted: 1967-09-26
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Expires: 1985-01-15
Abstract
No abstract record available.
Inventors
- 👤 Norvel L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:22
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2294; G01V; G01V9/00; G01V9/007; G01N1/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A METHOD OF EXTRACTING SOIL GAS SAMPLES FROM THE SOIL COMPRISING: INSERTING INTO THE AREA OF THE SOIL TO BE TESTED, SMALLER END FIRST, A TAPERED PROBE, SAID PROBE BEING CHARACTERIZED BY A PLUGGED LONGITUDINAL BORE THEREIN, THEREBY COMPACTING THE SOIL IN THE AREA ADJACENT THE SURFACE OF THE PROBE, REMOVING THE PLUG FROM SAID BORE, DRILLING THROUGH SAID BORE TO EFFECT A HOLE IN THE SOIL ADJACENT THE LOWER END OF SAID BORE, INSERTING INTO SAID BORE AND HOLE A DISPLACING ROD ADAPTED TO DISPLACE AS MUCH GAS AS CAN FEASIBLY BE DISPLACED WHILE STILL AFFORDING FLUID FLOW ALONG THE HOLE AND BORE, AND REMOVING THE SOIL GAS SAMPLE TO BE TESTED.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |