US3214650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid electrolyte capacitor
Assignee: Sprague Electric Co
•
Filing: 1962-12-31
•
Granted: 1965-10-26
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Ross
- 👤 Raymond C Petersen
- 👤 Finkelstein Manuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:57
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; H01G9/025; H01G9/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN A CAPACITOR HAVING AN ELECTRODE OF FILM-FORMING METAL, ANOTHER ELECTRODE AND A SOLID SPACER BETWEEN AND IN INTIMATE CONTACT WITH BOTH ELECTRODES, THE IMPROVEMENTS WHEREBY SAID SPACER INCLUDES A DIELECTRIC OXIDE FILM FORMED ON SAID FILM-FORMING ELECTRODE AND A SECOND FILM OF A QUATERNARY AMMONIUM COMPLEX SALT OF TETRACYANOQUINODIMETHANE DISPOSED DIRECTLY ON SAID OXIDE FILM AND ADHERING THERETO, THE QUATERNARY AMMONIUM ION COMPONENT OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF N-ALLYPYRIDINIUM AND TETRAALLYLAMMONIUM IONS.
Claim 2
Dependent Claim
78 words
IN A CAPACITOR HAVING AN ELECTRODE OF FILM-FORMING METAL, ANOTHER ELECTRODE AND A SOLID SPACER BETWEEN AND IN INTIMATE CONTACT WITH BOTH ELECTRODES, THE IMPROVEMENTS WHEREBY SAID SPACER INCLUDES A DIELECTRIC OXIDE FILM FORMED ON SAID FILM-FORMING ELECTRODE AND A SECOND FILM OF A QUATERNARY AMMONIUM COMPLEX SALT OF TETRACYANOQUINODIMETHANE DISPOSED DIRECTLY ON SAID OXIDE FILM AND ADHERING THERETO, THE QUATERNARY AMMONIUM ION COMPONENT OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF N-ALLYPYRIDINIUM AND TETRAALLYLAMMONIUM IONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |