US2024210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage electrolytic couple
Assignee: ROBERT T MACK
•
Filing: 1930-10-09
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Granted: 1935-12-17
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Expires: 1950-10-09
Abstract
No abstract record available.
Inventors
- 👤 Philip E Edelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:03
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032; H01G9/004; H01G9/022
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) | 1938-12-16 | 1939-06-17 | 1939-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-16 | 1943-06-17 | 1943-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-16 | 1947-06-17 | 1947-12-17 | $7700.00 | Window Closed / Lapsed |