US3477872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of depositing refractory metals
Assignee: RCA Corp
•
Filing: 1966-09-21
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Granted: 1969-11-11
•
Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 James A Amick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/40; C; C23; C23C; C23C16/00; C23C16/02; C23C16/0227; C23C16/0236; C23C16/06; C23C16/08; C23C16/14; H10N; H10N97/00; H10P; H10P95/00; H10W20/497
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3160798A
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US3147412A
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US3232803A
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US3333984A
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US3325258A
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US3364087A
Cited
US3290570A
Cited
US3375418A
Cited
US3399331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |