US2606955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical condenser
Assignee: Jeffers Electronics Inc
•
Filing: 1949-02-03
•
Granted: 1952-08-12
•
Expires: 1969-02-03
Abstract
No abstract record available.
Inventors
- 👤 Herrick George Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:07
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/008; H01G4/0085; Y; Y10; Y10T; Y10T29/00; Y10T29/42; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN ELECTRICAL CONDENSER COMPRISING A MEMBER OF DIELECTRIC MATERIAL AND COATINGS OF METAL ON SAID MEMBER, EACH OF SAID COATINGS INCLUDING A LAYER OF CHROMIUM ADJACENT TO SAID MEMBER, A LAYER OF A MIXTURE OF CHROMIUM AND COPPER COVERING SAID LAYER OF CHROMIUM, AND AN OUTER LAYER OF COPPER COVERING THE CHROMIUM COPPER LAYER, SAID COATINGS BEING SPACED FROM EACH OTHER TO PROVIDE PLATES OF THE CONDENSER.
Claim 2
Dependent Claim
67 words
AN ELECTRICAL CONDENSER COMPRISING A MEMBER OF DIELECTRIC MATERIAL AND COATINGS OF METAL ON SAID MEMBER, EACH OF SAID COATINGS INCLUDING A LAYER OF CHROMIUM ADJACENT TO SAID MEMBER, A LAYER OF A MIXTURE OF CHROMIUM AND COPPER COVERING SAID LAYER OF CHROMIUM, AND AN OUTER LAYER OF COPPER COVERING THE CHROMIUM COPPER LAYER, SAID COATINGS BEING SPACED FROM EACH OTHER TO PROVIDE PLATES OF THE CONDENSER.
References Cited (Backward Citations)
US893811A
Cited
US1479315A
Cited
US1576436A
Cited
US1926842A
Cited
US2408910A
Cited
US2410733A
Cited
US2398176A
Cited
US2497666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |