US2468701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of hydrogen sulfide from oils
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-01-25
•
Granted: 1949-04-26
•
Expires: 1965-01-25
Abstract
No abstract record available.
Inventors
- 👤 Stephen P Cauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:38
CPC Classifications
C; C10; C10G; C10G19/00; C10G19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827912A
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US1832325A
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US1943744A
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US2015038A
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US2315530A
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US2316092A
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US2413945A
Cited
US2369771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |