Patent US693059A successfully refreshed from Google Patents.
Patent US2233787A successfully refreshed from Google Patents.
US2233787A
Expired / Lapsed
US
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Iodine recovery
Assignee: Algin Corp of America
•
Filing: 1938-01-20
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Granted: 1941-03-04
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Expires: 1958-01-20
Abstract
No abstract record available.
Inventors
- 👤 Gloahec Victor Charles Emil Le
- 👤 Herter John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:04
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/13; C01B7/14; C01B7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-03-03 | 1944-09-02 | 1945-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-03 | 1948-09-02 | 1949-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-03 | 1952-09-02 | 1953-03-04 | $7700.00 | Window Closed / Lapsed |