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Patent US2564987A successfully refreshed from Google Patents.
US2564987A
Expired / Lapsed
US
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Electrically conducting coating on glass and other ceramic bodies
Assignee: Corning Glass Works
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Filing: 1947-09-03
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Granted: 1951-08-21
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Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 John M Mochel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:44
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; H; H01; H01B; H01B1/00; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/215; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 0
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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) | 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 |