US1944738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling oxidation of halide solutions to liberate free halogen
Assignee: Dow Chemical Co
•
Filing: 1930-07-31
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Granted: 1934-01-23
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Expires: 1950-07-31
Abstract
No abstract record available.
Inventors
- 👤 John J Grebe
- 👤 Ray H Boundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:08
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/09; C01B7/13; Y; Y10; Y10T; Y10T436/00; Y10T436/19; Y10T436/193333
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) | 1937-01-22 | 1937-07-24 | 1938-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-22 | 1941-07-24 | 1942-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-22 | 1945-07-24 | 1946-01-23 | $7700.00 | Window Closed / Lapsed |