US3113253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitors
Assignee: NEC Corp
•
Filing: 1959-08-03
•
Granted: 1963-12-03
•
Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Ishikawa Yoshioki
- 👤 Okamoto Eiichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:45
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A CAPACITOR COMPRISING IN COMBINATION A BASE METAL FOIL, AN OXIDE FILM FORMED ON THE SURFACE OF SAID FOIL, A FILM OF MECHANICALLY AND THERMALLY TENACIOUS DIELECTRIC SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM FLUORIDE,
Claim 2
Dependent Claim
35 words
A CAPACITOR COMPRISING IN COMBINATION A BASE METAL FOIL, AN OXIDE FILM FORMED ON THE SURFACE OF SAID FOIL, A FILM OF MECHANICALLY AND THERMALLY TENACIOUS DIELECTRIC SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM FLUORIDE,
References Cited (Backward Citations)
US2734478A
Cited
US1900018A
Cited
US1906691A
Cited
US2614524A
Cited
US2504178A
Cited
US2593829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |