Patent US3307086A successfully refreshed from Google Patents.
US3307086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed capacitor with fluid passageway through electrode
Assignee: Duracell Inc USA
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Filing: 1964-09-09
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Granted: 1967-02-28
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Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 David J Propps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:06
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08; H01G9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ELECTROLYTIC CAPACITOR COMPRISING A CONTAINER WITH A CLOSED END AND AN OPEN END, AN ELECTROLYTE IN SAID CONTAINER, AN ANODE OF FILM-FORMING METAL IMMERSED IN SAID ELECTROLYTE AND HAVING AN INTEGRAL HOLLOW ANODE RISER FORMING A PASSAGE THERETHROUGH, SAID ANODE RISER INCLUDING A TERMINAL PORTION PROJECTING FROM SAID ANODE THROUGH THE OPEN END OF SAID CONTAINER, AND AN INSULATIVE CAP CLOSING THE OPEN END OF SAID CONTAINER WITH SAID TERMINAL PORTION EXTENDING THROUGH THE CAP, SAID CAP BEING SECURED TO SAID TERMINAL PORTION AND TO THE OPEN END OF SAID CONTAINER FORMING A SEAL.
Claim 2
Dependent Claim
95 words
AN ELECTROLYTIC CAPACITOR COMPRISING A CONTAINER WITH A CLOSED END AND AN OPEN END, AN ELECTROLYTE IN SAID CONTAINER, AN ANODE OF FILM-FORMING METAL IMMERSED IN SAID ELECTROLYTE AND HAVING AN INTEGRAL HOLLOW ANODE RISER FORMING A PASSAGE THERETHROUGH, SAID ANODE RISER INCLUDING A TERMINAL PORTION PROJECTING FROM SAID ANODE THROUGH THE OPEN END OF SAID CONTAINER, AND AN INSULATIVE CAP CLOSING THE OPEN END OF SAID CONTAINER WITH SAID TERMINAL PORTION EXTENDING THROUGH THE CAP, SAID CAP BEING SECURED TO SAID TERMINAL PORTION AND TO THE OPEN END OF SAID CONTAINER FORMING A SEAL.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |