US3387487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording gas collector
Assignee: United States Department of the Interior
•
Filing: 1965-10-18
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Granted: 1968-06-11
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur L Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:49
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A SYSTEM FOR RECORDING INSOLUBLE GAS CONTENT OF A LIQUID COMPRISING PUMPING MEANS FOR DELIVERING A SUBSTANTIALLY CONSTANT COLUMN OF A GAS-LIQUID MIXTURE TO A COLLECTOR VESSEL; LIQUID DRAIN MEANS CONNECTED TO AN UPPER PORTION OF SAID VESSEL AND HAVING A STANDPIPE EXTENDING TO A PREDETERMINED VESSEL LEVEL;
Claim 2
Independent Claim
48 words
A SYSTEM FOR RECORDING INSOLUBLE GAS CONTENT OF A LIQUID COMPRISING PUMPING MEANS FOR DELIVERING A SUBSTANTIALLY CONSTANT COLUMN OF A GAS-LIQUID MIXTURE TO A COLLECTOR VESSEL; LIQUID DRAIN MEANS CONNECTED TO AN UPPER PORTION OF SAID VESSEL AND HAVING A STANDPIPE EXTENDING TO A PREDETERMINED VESSEL LEVEL;
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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |