US3460987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating a ceramic-carbon material with glass and article
Assignee: English Electric Co Ltd
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Filing: 1965-10-22
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Granted: 1969-08-12
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Peter William Mcmillan
- 👤 Graham Partridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:22
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C03; C03C; C03C10/00; C03C10/0018; C03C10/0027; C03C10/0054; C03C8/00; C03C8/02; C03C8/04; C03C8/08; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; H; H01; H01B; H01B1/00; H01B1/14; H01B1/18; H01C; H01C1/00; H01C1/02; H01C1/034; H01C17/00; H01C17/02
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) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |