US3728260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Additive for lubricating composition
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1970-10-06
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Granted: 1973-04-17
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Expires: 1990-10-06
Abstract
Abstract AN EP ADDITIVE PACKAGE FOR AVIATION ESTER LUBES COMPRISES A TRIARYL PHOSPHATE AND DIALKYLAMINE HYDROCARBYL PHOSPHATE, OPTIONALLY IN ADMIXTURE WITH DIHYDROCARBYL ALKYLAMINE PHOSPHATE.
Inventors
- 👤 P Flowerday
- 👤 B Fowler
- 👤 R Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:31
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |