Patent US3451845A successfully refreshed from Google Patents.
US3451845A
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Method for producing thin films of rare earth chalcogenides
Assignee: International Business Machines Corp
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Filing: 1966-05-31
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Granted: 1969-06-24
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Claus C Schuler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
CPC Classifications
C; C01; C01B; C01B19/00; C01B19/007; C01F; C01F17/00; C01F17/20; C01F17/288; C23; C23C; C23C14/00; C23C14/06; C23C14/0623; C23C14/14; C23C14/18; C23C14/22; C23C14/24; C23C14/58; C23C14/5846; C23C14/5853; C23C14/5866; C23C8/00; C23C8/06; C23C8/08; H; H01; H01J; H01J37/00; H01J37/30; H01J37/305; H01J37/3053; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84; C01P2006/00; C01P2006/40
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |