Patent US3020433A successfully refreshed from Google Patents.
US3020433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage electrode structure
Assignee: General Electric Co
•
Filing: 1956-05-18
•
Granted: 1962-02-06
•
Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold R Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:26
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; H01J29/416
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1643526A
Cited
US2091862A
Cited
US2197753A
Cited
US2403225A
Cited
US2596617A
Cited
GB688959A
Cited
US2730640A
Cited
US2768318A
Cited
US2793178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |