US2924540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic composition and article
Assignee: EIDP Inc
•
Filing: 1958-05-23
•
Granted: 1960-02-09
•
Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 D Andrea James Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:32
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06526; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24926
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
AN ELECTRICAL RESISTOR COMPRISING A CERAMIC DIELECTRIC CONTAINING ON THE SURFACE THEREOF A VITREOUS ENAMEL RESISTOR ELEMENT COMPRISING BETWEEN 8% AND 50%, BY WEIGHT, OF FINELY DIVIDED PALLADIUM IMBEDDED IN A GLASS MATRIX.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |