US2668592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner and method for burning gas in oil and gas wells
Assignee: SOGC Inc
•
Filing: 1949-06-04
•
Granted: 1954-02-09
•
Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 John J Piros
- 👤 Oliver F Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:44
CPC Classifications
E; E21; E21B; E21B36/00; E21B36/02; F; F23; F23D; F23D14/00; F23D14/20; F23D14/22
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |