US2926419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a storage electrode
Assignee: Individual
•
Filing: 1958-05-26
•
Granted: 1960-03-01
•
Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Franklin H Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:31
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA475393A
Cited
US2047369A
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US2149977A
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US2251992A
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US2495042A
Cited
US2731580A
Cited
US2687492A
Cited
US2627049A
Cited
GB739081A
Cited
US2795840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |