US2999740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface ignition suppression
Assignee: Tidewater Oil Co
•
Filing: 1959-05-13
•
Granted: 1961-09-12
•
Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas F Banigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:27
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
GASOLINE FUEL FOR INTERNAL COMBUSTION ENGINES CONTAINING TETRAETHYLLEAD IN ANTI-KNOCK AMOUNTS, HALIDE SCAVENGERS IN NORMAL AMOUNTS IN EXCESS OF 1.0 THEORY, AND BETWEEN 0.15 AND 0.6 THEORY OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
33 words
GASOLINE FUEL FOR INTERNAL COMBUSTION ENGINES CONTAINING TETRAETHYLLEAD IN ANTI-KNOCK AMOUNTS, HALIDE SCAVENGERS IN NORMAL AMOUNTS IN EXCESS OF 1.0 THEORY, AND BETWEEN 0.15 AND 0.6 THEORY OF A COMPOUND HAVING THE FORMULA
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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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |