Patent US3557026A successfully refreshed from Google Patents.
US3557026A
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High thermal hysteresis vanadium dioxide
Assignee: Teeg Research Inc
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Filing: 1967-07-17
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Granted: 1971-01-19
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Expires: 1987-07-17
Abstract
Abstract VANADIUM DIOXIDE PROVIDED WITH A SUBSTANTIALLY COMPLEX DOMAIN STRUCTURE AND EXHIBITING A SUBSTANTIALLY INCREASED THERMAL HYSTERESIS OF ITS NORMAL RANGE OF TRANSITION TEMPERATURE. THE HIGH HYSTERESIS VANADIUM DIOXIDE IS OBTAINED BY REDUCING THE NORMAL OXYGEN CONTENT OF VANADIUM DIOXIDE BELOW STOICHIOMETRIC PROPORTION OR, ALTERNATELY, BY DOPING THE VANADIUM DIOXIDE WITH AN APPROPRIATE ISOMORPHIC METAL OXIDE.
Inventors
- 👤 Robert O Teeg
- 👤 Robert W Hallman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:23
CPC Classifications
C; C01; C01G; C01G31/00; C01G31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |