Patent US2436170A successfully refreshed from Google Patents.
US2436170A
Expired / Lapsed
US
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Finishing of aviation naphthas
Assignee: Standard Oil Development Co
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Filing: 1946-01-29
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Granted: 1948-02-17
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Expires: 1966-01-29
Abstract
No abstract record available.
Inventors
- 👤 Boyd N Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06; C10G; C10G11/00; C10G17/00; C10G17/02; C10G17/04; C10G17/06; C10G9/00; C10G9/14
Claims Analysis
Total Claims: 0
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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) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |