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US2436870A
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US
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Preparation of chlorine
Assignee: Standard Oil Development Co
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Filing: 1942-10-31
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Granted: 1948-03-02
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Expires: 1962-10-31
Abstract
No abstract record available.
Inventors
- 👤 Eger V Murphree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:17
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/03; C01B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810055A
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US1355105A
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US1512225A
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US1984380A
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US1979280A
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US2020431A
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US2206399A
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US2270903A
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US2303047A
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US2304128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |