Patent US3296505A successfully refreshed from Google Patents.
US3296505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-bonded mica encapsulated tantalum capacitor
Assignee: Duracell Inc USA
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Filing: 1964-06-24
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Granted: 1967-01-03
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Sparrow Lawrence Robert
- 👤 Braiman Jerry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:16
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ELECTROLYTIC DEVICE COMPRISING AN ANODE OF FILM FORMING METAL, SAID ANODE HAVING AN EXTREMITY INCLUDING AN ANODE RISER, A DIELECTRIC FILM FORMED ON SAID ANODE, A SOLID LAYER OF ELECTROLYTE OVERLYING SAID DIELECTRIC FILM, A CATHODE LAYER OF ELECTRICALLY CONDUCTIVE THERMOSETTING MATERIAL DISPOSED ON AND SUBSTANTIALLY ENCLOSING SAID ELECTROLYTE LAYER, A MASS OF GLASS INTIMATELY MOLDED ABOUT SAID CATHODE LAYER HRMETICALLY SEALING SAID DEVICE WITHIN A SINGLE, UNITARY ENCAPSULATED BODY THEREOF, WITH A CATHODE LEADING PROJECTING FROM SAID CATHODE LAYER AND AN ANODE LEAD PROJECTING FROM SAID ANODE RISER.
Claim 2
Dependent Claim
90 words
AN ELECTROLYTIC DEVICE COMPRISING AN ANODE OF FILM FORMING METAL, SAID ANODE HAVING AN EXTREMITY INCLUDING AN ANODE RISER, A DIELECTRIC FILM FORMED ON SAID ANODE, A SOLID LAYER OF ELECTROLYTE OVERLYING SAID DIELECTRIC FILM, A CATHODE LAYER OF ELECTRICALLY CONDUCTIVE THERMOSETTING MATERIAL DISPOSED ON AND SUBSTANTIALLY ENCLOSING SAID ELECTROLYTE LAYER, A MASS OF GLASS INTIMATELY MOLDED ABOUT SAID CATHODE LAYER HRMETICALLY SEALING SAID DEVICE WITHIN A SINGLE, UNITARY ENCAPSULATED BODY THEREOF, WITH A CATHODE LEADING PROJECTING FROM SAID CATHODE LAYER AND AN ANODE LEAD PROJECTING FROM SAID ANODE RISER.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |