US2427326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of mineral oil emulsions
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-02-13
•
Granted: 1947-09-09
•
Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Paul M Goodloe
- 👤 Thomas T Noland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:36
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1596596A
Cited
US1716347A
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US1889960A
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US1938322A
Cited
GB407039A
Cited
US1938323A
Cited
US2246085A
Cited
US2266084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |