US3280031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature lubricating oils
Assignee: Mobil Oil AS
•
Filing: 1963-12-31
•
Granted: 1966-10-18
•
Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 James A Brennan
- 👤 John W Schick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:23
CPC Classifications
C; C10; C10M; C10M3/00; C10M2205/00; C10M2205/02; C10M2205/028; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A SYNTHETIC HYDROCARBON FLUID CONSISTING OF A LIQUID POLYMER OF AN ALPHA-OLEFIN AND A MINOR PROPORTION SUFFICIENT TO IMPART THERMAL STABILITY THERETO OF AN ORGANIC ESTER OF PHOSPHOROUS ACID HAVING THE FORMULA,
Claim 2
Dependent Claim
40 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A SYNTHETIC HYDROCARBON FLUID CONSISTING OF A LIQUID POLYMER OF AN ALPHA-OLEFIN AND A MINOR PROPORTION SUFFICIENT TO IMPART THERMAL STABILITY THERETO OF AN ORGANIC ESTER OF PHOSPHOROUS ACID HAVING 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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |