US1959780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic condenser
Assignee: CONDENSER Corp
•
Filing: 1931-03-13
•
Granted: 1934-05-22
•
Expires: 1951-03-13
Abstract
No abstract record available.
Inventors
- 👤 Harold I Danziger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:22
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08; H01G9/12; Y; Y10; Y10S; Y10S220/00; Y10S220/27
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) | 1937-05-21 | 1937-11-20 | 1938-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-21 | 1941-11-20 | 1942-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-21 | 1945-11-20 | 1946-05-22 | $7700.00 | Window Closed / Lapsed |