US3240068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mud-gas sampling system
Assignee: ExxonMobil Upstream Research Co
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Filing: 1963-07-12
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Granted: 1966-03-15
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 John M Horeth
- 👤 Richard H Langenheim
- 👤 William D Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:45
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/06; G01N33/00; G01N33/24; Y; Y10; Y10T; Y10T436/00; Y10T436/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A GAS SAMPLE COLLECTING UNIT COMPRISING A SUBSTANTIALLY VERTICALLY DISPOSED, CYLINDRICAL, ENCLOSED CHAMBER HAVING UPPER AND LOWER PORTS THEREIN, AND CONTAINING A PISTON WHICH IS FREE TO MOVE BETWEEN UPPER AND LOWER STOPS INTERMEDIATE SAID PORTS; FIRST AND SECOND ELECTRODE PAIRS MOUNTED WITHIN SAID CHAMBER INTERMEDIATE THE UPPER STOP AND THE UPPER PORT; AND AN ELECTRICALLY CONDUCTIVE FLOAT THE LIMITING POSITIONS OF WHICH ARE DEFINED BY SAID ELECTRODE PAIRS.
Claim 2
Dependent Claim
69 words
A GAS SAMPLE COLLECTING UNIT COMPRISING A SUBSTANTIALLY VERTICALLY DISPOSED, CYLINDRICAL, ENCLOSED CHAMBER HAVING UPPER AND LOWER PORTS THEREIN, AND CONTAINING A PISTON WHICH IS FREE TO MOVE BETWEEN UPPER AND LOWER STOPS INTERMEDIATE SAID PORTS; FIRST AND SECOND ELECTRODE PAIRS MOUNTED WITHIN SAID CHAMBER INTERMEDIATE THE UPPER STOP AND THE UPPER PORT; AND AN ELECTRICALLY CONDUCTIVE FLOAT THE LIMITING POSITIONS OF WHICH ARE DEFINED BY SAID ELECTRODE PAIRS.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |