US3254973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasolines and phosphorus-containing additives therefor
Assignee: ExxonMobil Oil Corp
•
Filing: 1962-07-31
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Granted: 1966-06-07
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 John J Giammaria
- 👤 Becker Myron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; C10L1/26; C10L1/2633; C10L1/2641; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
GASOLINE CONTAINING A LEAD-CONTAINING ANTI-KNOCK AGENT IN AN AMOUNT OF UP TO ABOUT 4,6 ML., CALCULATED AS TETRAETHYL LEAD, PER GALLON OF GASOLINE AND BETWEEN ABOUT 0.02 TO ABOUT 2.0 THEORY OF A POHSPHORUS-CONTAINING COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
39 words
GASOLINE CONTAINING A LEAD-CONTAINING ANTI-KNOCK AGENT IN AN AMOUNT OF UP TO ABOUT 4,6 ML., CALCULATED AS TETRAETHYL LEAD, PER GALLON OF GASOLINE AND BETWEEN ABOUT 0.02 TO ABOUT 2.0 THEORY OF A POHSPHORUS-CONTAINING COMPOUND OF THE FOLLOWING FORMULA:
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |