US3417032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconducting niobate tantalate compositions
Assignee: AT&T Inc
•
Filing: 1965-12-10
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Granted: 1968-12-17
•
Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 William A Bonner
- 👤 Le Grand G Van Uitert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:55
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/08; C; C01; C01G; C01G35/00; C30; C30B; C30B15/00; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/30; C30B9/00; C30B9/04; C30B9/06; C01P; C01P2006/00; C01P2006/40; C01P2006/60; C01P2006/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3256696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |