US2497067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil composition containing a thenylamine
Assignee: ExxonMobil Oil Corp
•
Filing: 1947-01-29
•
Granted: 1950-02-14
•
Expires: 1967-01-29
Abstract
No abstract record available.
Inventors
- 👤 Howard D Hartough
- 👤 Sigmund J Lukasiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:25
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/20; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/02; C10N; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
A MINERAL LUBRICATING OIL CONTAINING A MINOR PROPORTION, EFFECTIVE TO REDUCE CORROSION OF BEARINGS, OF A THENYLAMINE SELECTED FROM THE GROUP CONSISTING OF 2-THENYLAMINE AND DI-2-THENYLAMINE.
References Cited (Backward Citations)
US2160293A
Cited
US2367702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |