US2560489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized leaded gasolines
Assignee: Gulf Oil Corp
•
Filing: 1947-06-03
•
Granted: 1951-07-10
•
Expires: 1967-06-03
Abstract
No abstract record available.
Inventors
- 👤 Herschel G Smith
- 👤 Troy L Cantreil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:56
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/103; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/22; C10L1/228; C10L1/2283; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A LEADED GASOLINE CONTAINING STABILIZING AMOUNTS OF (1) AT LEAST ONE PHENOL HAVING THE FORMULA:
Claim 2
Dependent Claim
15 words
A LEADED GASOLINE CONTAINING STABILIZING AMOUNTS OF (1) AT LEAST ONE PHENOL HAVING THE 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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |