Patent US2755418A successfully refreshed from Google Patents.
US2755418A
Expired / Lapsed
US
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Electrode and electrolytic condenser
Assignee: Individual
•
Filing: 1951-10-05
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Granted: 1956-07-17
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Expires: 1971-10-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:08
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208665A
Cited
US1526664A
Cited
US2223173A
Cited
GB555964A
Cited
US2463765A
Cited
GB627333A
Cited
US2504178A
Cited
US2470826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |