US3377377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex ester lubricant
Assignee: Texaco Inc
•
Filing: 1965-06-29
•
Granted: 1968-04-09
•
Expires: 1985-06-29
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
2026-11-03 06:41
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C10; C10M; 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
6 words
A COMPLEX ESTER OF THE FORMULA
Claim 2
Dependent Claim
6 words
A COMPLEX ESTER OF THE FORMULA
References Cited (Backward Citations)
US3016353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |