US2862155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic capacitors
Assignee: Sprague Electric Co
•
Filing: 1953-09-17
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Granted: 1958-11-25
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Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Bubriski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:24
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A MINATURE ELECTROLYTIC CAPACITOR COMPRISING A TANTALUM ELECTROLYTIC CAPACITANCE SECTION CONTAINING A WEAKLY ACID AQUEOUS ELECTROLYTIC CAPACITOR ELECTROLYTE, OXIDE COATED TANTALUM LEAD-WIRES EXTENDING FROM SAID SECTION, A WEAKLY ALKALINE EPOXY RESIN TOTALLY ENCASING SAID LEAD SECTION, SAID RESIN BEING HERMETICALLY BONDED TO SAID LEAD-WIRES, AND AN EXPANSION-CONSTRICTING METAL REINFORCING SLEEVE ENCLOSING SAID RESINOUS CASING AND BONDED THERETO.
Claim 2
Dependent Claim
57 words
A MINATURE ELECTROLYTIC CAPACITOR COMPRISING A TANTALUM ELECTROLYTIC CAPACITANCE SECTION CONTAINING A WEAKLY ACID AQUEOUS ELECTROLYTIC CAPACITOR ELECTROLYTE, OXIDE COATED TANTALUM LEAD-WIRES EXTENDING FROM SAID SECTION, A WEAKLY ALKALINE EPOXY RESIN TOTALLY ENCASING SAID LEAD SECTION, SAID RESIN BEING HERMETICALLY BONDED TO SAID LEAD-WIRES, AND AN EXPANSION-CONSTRICTING METAL REINFORCING SLEEVE ENCLOSING SAID RESINOUS CASING AND BONDED THERETO.
References Cited (Backward Citations)
US2285136A
Cited
US2282459A
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US2355788A
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US2506486A
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US2628271A
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US2667606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |