US3247115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex ester lubricant and composition
Assignee: Texaco Inc
•
Filing: 1961-10-16
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Granted: 1966-04-19
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Herman D Kluge
- 👤 Robert H Krug
- 👤 Paul A Cantor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08G63/66; C08G63/668; C08G63/672; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/11; C10M2209/112; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A SYNTHETIC ESTER LUBRICANT COMPOSITION COMPRISING BETWEEN ABOUT 95 AND 40 WT. PERCENT OF A SIMPLE ESTER OF THE FORMUAL R2OOC(CH2)VCOOR2 WHERE R2 IS AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS AND V IS AN INTEGER FROM 4 TO 10 AND BETWEEN ABOUT 5 AND 60 WT. PERCENT OF A COMPLEX ESTER OF THE FORMULA
Claim 2
Dependent Claim
58 words
A SYNTHETIC ESTER LUBRICANT COMPOSITION COMPRISING BETWEEN ABOUT 95 AND 40 WT. PERCENT OF A SIMPLE ESTER OF THE FORMUAL R2OOC(CH2)VCOOR2 WHERE R2 IS AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS AND V IS AN INTEGER FROM 4 TO 10 AND BETWEEN ABOUT 5 AND 60 WT. PERCENT OF A COMPLEX ESTER OF THE FORMULA
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |