US2947695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil additives comprising mixtures of polyvalent metal dithiocarbamates
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1956-05-09
•
Granted: 1960-08-02
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Expires: 1976-05-09
Abstract
No abstract record available.
Inventors
- 👤 Leshin Richard
- 👤 Joy G Lichty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:00
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/12; C10M135/14; C10M135/18; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2020/02; C10N2030/00; C10N2030/06; C10N2030/54; C10N2040/00; C10N2040/25; C10N2040/255
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A LUBRICATING OIL ADDITIVE COMPOSITION CONSISTING OF A PETROLEUM HYDROCARBON LUBRICATING OIL SOLUTION OF A MIXTURE OF AT LEAST TWO DIFFERENT DITHIOCARBAMATES OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
26 words
A LUBRICATING OIL ADDITIVE COMPOSITION CONSISTING OF A PETROLEUM HYDROCARBON LUBRICATING OIL SOLUTION OF A MIXTURE OF AT LEAST TWO DIFFERENT DITHIOCARBAMATES OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2046884A
Cited
US2265851A
Cited
US2394536A
Cited
GB660355A
Cited
US2614987A
Cited
US2747978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |