US3554681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flare stack tip
Assignee: Individual
•
Filing: 1968-09-27
•
Granted: 1971-01-12
•
Expires: 1988-09-27
Abstract
Abstract A FLARE STACK TIP HAS AN INLET FOR RECEIVING A DUMP GAS, AN OUTLET FOR EMITTING THE DUMP GAS TO THE ATMOSPHERE FOR SUBSEQUENT COMBUSTION AND MEANS FOR INTRODUCING AMBIENT AIR INTO THE DUMP GAS STREAM PRIOR TO ITS LEAVING SAID OUTLET.
Inventors
- 👤 Albert Edward Proctor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:48
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/08; F23G7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |