US3069294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical metal oxide resistor having a glass enamel coating
Assignee: Corning Glass Works
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Filing: 1954-06-03
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Granted: 1962-12-18
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Expires: 1974-06-03
Abstract
No abstract record available.
Inventors
- 👤 James K Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:47
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C03; C03C; C03C17/00; C03C17/02; C03C17/34; C03C17/3411; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; H; H01; H01B; H01B1/00; H01B3/00; H01B3/002; H01B3/004; H01B3/02; H01B3/08; H01B3/087; H01C; H01C1/00; H01C1/02; H01C1/034; H01C1/036; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06533; H01C17/06573; H01C17/0658; H01C7/00; C04B2111/00; C04B2111/90; C04B2111/94; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AN ELECTRICAL RESISTOR COMPRISING A CERAMIC BODY CONTAINING LESS THAN 1% OF ALKALI METAL OXIDES HAVING ON ITS SURFACE AN ADHERENT ELECTROCONDUCTIVE FILM CONSISTING OF AT LEAST ONE CONDUCTING METAL OXIDE SELECTED FROM THE
Claim 2
Dependent Claim
34 words
AN ELECTRICAL RESISTOR COMPRISING A CERAMIC BODY CONTAINING LESS THAN 1% OF ALKALI METAL OXIDES HAVING ON ITS SURFACE AN ADHERENT ELECTROCONDUCTIVE FILM CONSISTING OF AT LEAST ONE CONDUCTING METAL OXIDE SELECTED FROM THE
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |