US2593496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition agent and mineral oil lubricant compositions containing the same
Assignee: Gulf Oil Corp
•
Filing: 1948-02-04
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Granted: 1952-04-22
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Expires: 1968-02-04
Abstract
No abstract record available.
Inventors
- 👤 Herschel G Smith
- 👤 Troy L Cantrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:27
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C10M2203/00; C10M2203/10; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2040/00; C10N2040/135; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL AND A MINOR AMOUNT, FROM 0.1 TO 20 PER CENT BY WEIGHT, OF THE PRODUCT OBTAINED BY THE PROCESS OF CLAIM 2.
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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |