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US3548314A
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Piezoelectric pulse amplifier
Assignee: Ohio University
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Filing: 1967-12-21
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Granted: 1970-12-15
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Expires: 1987-12-21
Abstract
No abstract record available.
Inventors
- 👤 Jay P Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:56
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/16; A; A61; A61F; A61F2/00; A61F2/50; A61F2/68; A61F2/70; F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002; H; H10; H10N; H10N30/00; H10N30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2856564A
Cited
US3253219A
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US3129346A
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US3270283A
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US3337758A
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US3340811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |