US2564706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated resistance
Assignee: Corning Glass Works
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Filing: 1946-05-02
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Granted: 1951-08-21
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Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 John M Mochel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:23
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; C04B41/45; C04B41/50; C04B41/5025; H; H01; H01B; H01B1/00; H01B1/06; H01B1/08; H01C; H01C7/00; H01C7/006; H01C7/04; H01C7/042; H01C7/043; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2217/23; C03C2217/24; C03C2217/244
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
AN ELECTRICAL DEVICE HAVING A RESISTIVE COATING, WHICH COMPRISES A NONPOROUS CERAMIC BODY HAVING AN ELECTRICALLY CONDUCTING IRIDIZED COATING COMPRISING PRIMARILY AN OXIDE OF TIN AND AN OXIDE OF ANTIMONY EQUIVALENT TO ABOUT .001* TO LESS THAN 13% SB2O3 AND PROVIDED WITH A METALLIC TERMINAL IN ELECTRICAL CONTACT WITH SAID COATING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |