US2733389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ellison
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:17
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08; H01G9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A TANTALUM CAPACITOR CMPRISING MEANS DEFINING AN ELECTRLYTE CHAMBER, ELECTROLYTE DISPSOED IN AND SUBSTANTIALLY FILLING SAID CHAMBER, A TANTALUM MEMBER DISPOSED IN SAID CHAMBER AND HAVING AT LEAST A PORTION THEREOF DISPOSED IN CONTACT WITH THE ELECTROLYTE, AND EXPANSION MEANS INCLUDING A DIAPHRAGM ASSOCIATED WITH THE CHAMBER AND IN COMMUNICATION THEREWITH FOR RELIEVING EXCESSIVE PRESSURES DEVELOPED IN SAID CHAMBER.
Claim 2
Dependent Claim
59 words
A TANTALUM CAPACITOR CMPRISING MEANS DEFINING AN ELECTRLYTE CHAMBER, ELECTROLYTE DISPSOED IN AND SUBSTANTIALLY FILLING SAID CHAMBER, A TANTALUM MEMBER DISPOSED IN SAID CHAMBER AND HAVING AT LEAST A PORTION THEREOF DISPOSED IN CONTACT WITH THE ELECTROLYTE, AND EXPANSION MEANS INCLUDING A DIAPHRAGM ASSOCIATED WITH THE CHAMBER AND IN COMMUNICATION THEREWITH FOR RELIEVING EXCESSIVE PRESSURES DEVELOPED IN SAID CHAMBER.
References Cited (Backward Citations)
US2558172A
Cited
US2617863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |