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Patent US1646735A successfully refreshed from Google Patents.
US1646735A
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Electrochemical method for preventing corrosion
Assignee: PETER Q NYCE
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Filing: 1924-07-21
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Granted: 1927-10-25
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Expires: 1944-07-21
Abstract
No abstract record available.
Inventors
- 👤 Mills Ronald Van Auken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:20
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/18; F16L58/182; C; C23; C23F; C23F13/00; C23F13/02; Y; Y10; Y10S; Y10S138/00; Y10S138/06
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) | 1930-10-24 | 1931-04-25 | 1931-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-24 | 1935-04-25 | 1935-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-24 | 1939-04-25 | 1939-10-25 | $7700.00 | Window Closed / Lapsed |