US1412514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte
Assignee: Westinghouse Electric Corp
•
Filing: 1917-02-19
•
Granted: 1922-04-11
•
Expires: 1937-02-19
Abstract
No abstract record available.
Inventors
- 👤 Coulson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1925-04-10 | 1925-10-10 | 1926-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-04-10 | 1929-10-10 | 1930-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-04-10 | 1933-10-10 | 1934-04-11 | $7700.00 | Window Closed / Lapsed |