US2872630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor and dielectric material therefor
Assignee: General Electric Co
•
Filing: 1956-02-08
•
Granted: 1959-02-03
•
Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred S Cummin
- 👤 John R Hutzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:41
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/448; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
2-10% OF DIVINYL BENZENE BY WEIGHT OF THE N-VINYL CARBAZOLE.
Claim 2
Dependent Claim
27 words
AN ELECTIC CAPACITOR COMPRISING COOPERATING ARMATURES AND DIELECTRIC SPACER MATERIAL THEREBETWEEN, SAID DIELECTRIC SPACER MATERIAL INCLUDING THE COPLYMERIZED PRODUCT OF A MIXTURE OF N-VINYL CARBANZOLE AND ABOUT:
References Cited (Backward Citations)
US2072465A
Cited
US2202846A
Cited
US2287201A
Cited
US2404220A
Cited
US2414320A
Cited
US2540984A
Cited
US2634315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |