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US3248618A
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Self-clearing contact to metallized tantalum capacitor
Assignee: Sprague Electric Co
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Filing: 1962-03-26
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Granted: 1966-04-26
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Szpak
- 👤 Walter J Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:03
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/224; H01G4/018; H01G4/06; H01G4/08; H01G4/10; H01G9/00; H01G9/004; H01G9/08; H01G9/10; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A TANTALUM CAPACITOR COMPRISING A POROUS TANTALUM BODY HAVING A LEAD EXTENDING THEREFROM, A TANTALUM DIELECTRIC OXIDE FILM ON SAID BODY, A NICKEL SURFACE PLATED ON THE DIELECTRIC FILM, AND A HEAT-SHRUNKEN PLASTIC MEMBER HAVING A METALLIZED SURFACE POSITIONED ABOUT SAID BODY WITH SAID METALLIZED SURFACE IN INTIMATE CONTACT WITH SAID NICKEL SURFACE.
Claim 2
Dependent Claim
53 words
A TANTALUM CAPACITOR COMPRISING A POROUS TANTALUM BODY HAVING A LEAD EXTENDING THEREFROM, A TANTALUM DIELECTRIC OXIDE FILM ON SAID BODY, A NICKEL SURFACE PLATED ON THE DIELECTRIC FILM, AND A HEAT-SHRUNKEN PLASTIC MEMBER HAVING A METALLIZED SURFACE POSITIONED ABOUT SAID BODY WITH SAID METALLIZED SURFACE IN INTIMATE CONTACT WITH SAID NICKEL SURFACE.
References Cited (Backward Citations)
US2527373A
Cited
US3036249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |