US2812307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants
Assignee: Renault SA
•
Filing: 1953-02-06
•
Granted: 1957-11-05
•
Expires: 1973-02-06
Abstract
No abstract record available.
Inventors
- 👤 Saives Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:44
CPC Classifications
C; C10; C10M; C10M131/00; C10M131/08; C10M131/12; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/083; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LUBRICANT FOR MECHANICAL PARTS SUBJECTED TO FRICTION UNDER HEAVY PRESSURE CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL AND A SMALL AMOUNT EFFECTIVE TO PREVENT SEIZING UNDER HEAVY PRESSURE OF AN ORGANIC SULFUR COMPOUND AND OF A LONG CHAIN FATTY ACID CONTAINING 12 CARBON ATOMS AND HAVING THE TERMINAL CARBON ATOM OPPOSITE THE CARBOXYL GROUP SUBSTITUTED WITH 3 CHLORINE ATOMS.
Claim 2
Dependent Claim
64 words
A LUBRICANT FOR MECHANICAL PARTS SUBJECTED TO FRICTION UNDER HEAVY PRESSURE CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL AND A SMALL AMOUNT EFFECTIVE TO PREVENT SEIZING UNDER HEAVY PRESSURE OF AN ORGANIC SULFUR COMPOUND AND OF A LONG CHAIN FATTY ACID CONTAINING 12 CARBON ATOMS AND HAVING THE TERMINAL CARBON ATOM OPPOSITE THE CARBOXYL GROUP SUBSTITUTED WITH 3 CHLORINE ATOMS.
References Cited (Backward Citations)
US2178534A
Cited
US2208162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |