US3548265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous anode capacitor
Assignee: General Electric Co
•
Filing: 1968-06-11
•
Granted: 1970-12-15
•
Expires: 1988-06-11
Abstract
No abstract record available.
Inventors
- 👤 Joel B Buice
- 👤 Raymond Matthew Trewhella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:37
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2368688A
Cited
US2910633A
Cited
US2923866A
Cited
US3120695A
Cited
US3237060A
Cited
US3275901A
Cited
US3421195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |