Patent US2479111A successfully refreshed from Google Patents.
US2479111A
Expired / Lapsed
US
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Production of hydrogen peroxide by the partial oxidation of alcohols
Assignee: EIDP Inc
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Filing: 1945-06-29
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Granted: 1949-08-16
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Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Harris Charles Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:38
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/022; C01B15/026
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) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |