Patent US3225829A successfully refreshed from Google Patents.
US3225829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for burning a combustible mixture in a well
Assignee: Chevron USA Inc
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Filing: 1962-10-24
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Granted: 1965-12-28
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Robert G Chown
- 👤 Leslie D Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:02
CPC Classifications
E; E21; E21B; E21B36/00; E21B36/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR BURNING A COMBUSTIBLE GAS IN A WELL COMPRISING MEANS DEFINING A COMBUSTION CHAMBER HAVING AN EXHAUST MEANS AT ITS LOWER END, AN INLET IN THE UPPER PORTION OF SAID COMBUSTION CHAMBER, IGNITIION MEANS TO IGNITE THE GAS IN SAID COMBUSTION CHAMBER, A FILTER SECTION ABOVE SAID INLET, POROUS FILTER MEANS IN SAID FILTER SECTION, ENTRY PORT MEANS IN SAID FILTER SECTION FOR FLOWING A COMBUSTIBLE GAS INTO SAID FILTER SECTION BELOW SAID POROUS FILTER MEANS AND CONDUIT MEANS CONNECTING SAID POROUS FILTER MEANS WITH SAID INLET TO FORM THEREWITH THE ONLY PASSAGE FOR GAS FLOW OUT OF SAID FILTER SECTION INTO SAID COMBUSTION CHAMBER.
Claim 2
Dependent Claim
106 words
APPARATUS FOR BURNING A COMBUSTIBLE GAS IN A WELL COMPRISING MEANS DEFINING A COMBUSTION CHAMBER HAVING AN EXHAUST MEANS AT ITS LOWER END, AN INLET IN THE UPPER PORTION OF SAID COMBUSTION CHAMBER, IGNITIION MEANS TO IGNITE THE GAS IN SAID COMBUSTION CHAMBER, A FILTER SECTION ABOVE SAID INLET, POROUS FILTER MEANS IN SAID FILTER SECTION, ENTRY PORT MEANS IN SAID FILTER SECTION FOR FLOWING A COMBUSTIBLE GAS INTO SAID FILTER SECTION BELOW SAID POROUS FILTER MEANS AND CONDUIT MEANS CONNECTING SAID POROUS FILTER MEANS WITH SAID INLET TO FORM THEREWITH THE ONLY PASSAGE FOR GAS FLOW OUT OF SAID FILTER SECTION INTO SAID COMBUSTION CHAMBER.
References Cited (Backward Citations)
US2887160A
Cited
US3004603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |