Patent US4669440A successfully refreshed from Google Patents.
Patent US2650330A successfully refreshed from Google Patents.
Patent US2628196A successfully refreshed from Google Patents.
US2628196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing lubricant
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-06-27
•
Granted: 1953-02-10
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Harry L Coonradt
- 👤 Barton W Rope
- 👤 Alexander N Sachanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:21
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/14; C10M2207/142; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2040/00; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COMPOSITION OF MATTER COMPRISING IN COMBINATION A MINERAL OIL AND
Claim 2
Dependent Claim
11 words
A COMPOSITION OF MATTER COMPRISING IN COMBINATION A MINERAL OIL AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |