US3517093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing lead zirconate-titanate transducer materials by slip casting
Assignee: United States Department of the Navy
•
Filing: 1967-06-28
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Granted: 1970-06-23
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Expires: 1987-06-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Wentzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:07
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/50; C04B35/01; C04B35/46; C04B35/48; C04B35/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2553359A
Cited
US2708244A
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US2950996A
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US3054606A
Cited
US3144411A
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US3283044A
Cited
US3216943A
Cited
US3303133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |