US2848418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Bayer AG
•
Filing: 1954-04-14
•
Granted: 1958-08-19
•
Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 Muller Werner
- 👤 Raue Roderich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:03
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2040/00; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL AND A MINOR AMOUNT, SUFFICIENT TO INHIBIT THE OXIDATIVE DETERIORATION OF SAID OIL, OF AN AMIDE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
32 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL AND A MINOR AMOUNT, SUFFICIENT TO INHIBIT THE OXIDATIVE DETERIORATION OF SAID OIL, OF AN AMIDE OF THE GENERAL 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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |