US3333165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented electrolytic capacitor with coated capacitive unit
Assignee: Sprague Electric Co
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Filing: 1965-01-19
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Granted: 1967-07-25
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Roy H Broadbent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:23
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08; H01G9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ELECTROLYTIC CAPACITOR COMPRISING A CONTAINER AND A SEAL-CAP CLOSING THE CONTAINER, SAID SEAL-CAP COMPRISING MEANS FOR RELIEVING INTERNAL GAS PRESSURE IN SAID CONTAINER, A CAPACITIVE UNIT INCLUDING AN ELECTROLYTE AND SPACED ELECTRODES CONTACTING THE ELECTROLYTE WITHIN SAID CONTAINER, A COATING OF INSULATING MATERIAL ON THE SURFACE OF AND COMPLETELY ENCLOSING SAID UNIT, SAID COATING BEING PERMEABLE TO GAS AND AT LEAST SUBSTANTIALLY IMPERVIOUS TO SAID ELECTROLYTE, AND LEADS EXTENDING FROM SAID ELECTRODES THROUGH SAID COATING TO TERMINALS IN SAID SEAL-CAP.
Claim 2
Dependent Claim
81 words
AN ELECTROLYTIC CAPACITOR COMPRISING A CONTAINER AND A SEAL-CAP CLOSING THE CONTAINER, SAID SEAL-CAP COMPRISING MEANS FOR RELIEVING INTERNAL GAS PRESSURE IN SAID CONTAINER, A CAPACITIVE UNIT INCLUDING AN ELECTROLYTE AND SPACED ELECTRODES CONTACTING THE ELECTROLYTE WITHIN SAID CONTAINER, A COATING OF INSULATING MATERIAL ON THE SURFACE OF AND COMPLETELY ENCLOSING SAID UNIT, SAID COATING BEING PERMEABLE TO GAS AND AT LEAST SUBSTANTIALLY IMPERVIOUS TO SAID ELECTROLYTE, AND LEADS EXTENDING FROM SAID ELECTRODES THROUGH SAID COATING TO TERMINALS IN SAID SEAL-CAP.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |