US3218528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid dry type tantalum capacitor
Assignee: Unisys Corp
•
Filing: 1961-06-07
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Granted: 1965-11-16
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Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Glen R Heidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:04
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/28; H01G9/00; H01G9/004; H01G9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |