Patent US6077122A successfully refreshed from Google Patents.
Patent US2786165A successfully refreshed from Google Patents.
US2786165A
Expired / Lapsed
US
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Electrolytic device
Assignee: Sprague Electric Co
•
Filing: 1953-01-02
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Granted: 1957-03-19
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Expires: 1973-01-02
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:51
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; H01G9/08; H01G9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN ELECTROLYTIC CONDENSER COMPRISING ELECTRODES COMPRISING AT LEAST ONE FILMED ELECTRODE, A SECOND ELECTRODE, ADN AN AQUEOUS SOLUTION OF LITHIUM CHROMATE WHEREIN SAID LITHIUM CHROMATE IS PRESENT IN THE SOLUTION IN AT LEAST A 5 MOLAR CONCENTRATION.
Claim 2
Dependent Claim
37 words
AN ELECTROLYTIC CONDENSER COMPRISING ELECTRODES COMPRISING AT LEAST ONE FILMED ELECTRODE, A SECOND ELECTRODE, ADN AN AQUEOUS SOLUTION OF LITHIUM CHROMATE WHEREIN SAID LITHIUM CHROMATE IS PRESENT IN THE SOLUTION IN AT LEAST A 5 MOLAR CONCENTRATION.
References Cited (Backward Citations)
GB189800933A
Cited
US732631A
Cited
US1773665A
Cited
US2014169A
Cited
US2022500A
Cited
US2299228A
Cited
US2368688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |