US2951041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic lubricant composition
Assignee: Individual
•
Filing: 1956-08-09
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Granted: 1960-08-30
•
Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Charles E Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:45
CPC Classifications
C; C10; C10M; C10M3/00; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/107; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A WATER SOLUBLE LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A WATER SOLUBLE ALKYLENE OXIDE OIL OF COPOLYMERIZED ETHYLENE OXIDE AND PROPYLENE OXIDE, AND FROM 0.2 TO 5.0 PERCENT BY WEIGHT OF AN ADDITIVE SELECTED FROM THE GROUP CONSISTING OF THE MONO, DI AND TRIETHANOLAMINE SALTS OF AN ALIPHATIC ACID HAVING FROM 8 TO 20 CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |