US3345545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid electrolytic capacitor having minimum anode impedance
Assignee: Johnson Matthey Ltd
•
Filing: 1964-11-27
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Granted: 1967-10-03
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Pierre L Bourgault
- 👤 Batelaan Joost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:40
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN ELECTROLYTIC CAPACITOR COMPRISING A SOLID POROUS ANODE OF FILM FORMING METAL CHARACTERIZED BY A MULTIPLICITY OF MICROSCOPIC INTERCOMMUNICATING VOIDS HAVING A DIELECTRIC FILM FORMED THEREOF AND BEING PREMEATED BY AT LEAST ONE CHANNEL REDUCING THE QUANTITY OF METAL IN SAID ANODE, A FIRST ELECTRODE FOR SAID ANODE, A SOLID ELECTROLYTE IN SAID VOIDS AND IN CONTACT WITH SAID FILM, A SECOND ELECTRODE IN THE FORM OF A CONDUCTING LAYER ON THE EXTERIOR SURFACES OF SAID ELECTROLYTE INCLUDING SAID CHANNELS AND IN CONTACT WITH SAID ELECTROLYTE, AND SAID CHAN-
Claim 2
Dependent Claim
89 words
AN ELECTROLYTIC CAPACITOR COMPRISING A SOLID POROUS ANODE OF FILM FORMING METAL CHARACTERIZED BY A MULTIPLICITY OF MICROSCOPIC INTERCOMMUNICATING VOIDS HAVING A DIELECTRIC FILM FORMED THEREOF AND BEING PREMEATED BY AT LEAST ONE CHANNEL REDUCING THE QUANTITY OF METAL IN SAID ANODE, A FIRST ELECTRODE FOR SAID ANODE, A SOLID ELECTROLYTE IN SAID VOIDS AND IN CONTACT WITH SAID FILM, A SECOND ELECTRODE IN THE FORM OF A CONDUCTING LAYER ON THE EXTERIOR SURFACES OF SAID ELECTROLYTE INCLUDING SAID CHANNELS AND IN CONTACT WITH SAID ELECTROLYTE, AND SAID CHAN-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |