US2012046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic process and apparatus
Assignee: National Aniline and Chemical Co Inc
•
Filing: 1930-01-31
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Granted: 1935-08-20
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Expires: 1950-01-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:31
CPC Classifications
C; C07; C07C; C07C241/00; C07C241/02; C25; C25B; C25B15/00; C25B15/02; C25B15/08; C25B15/087; C25B3/00; C25B3/20; C25B3/25; C25B9/00; C25B9/70; C25B9/73
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) | 1938-08-19 | 1939-02-18 | 1939-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-19 | 1943-02-18 | 1943-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-19 | 1947-02-18 | 1947-08-20 | $7700.00 | Window Closed / Lapsed |