Patent US3497805A successfully refreshed from Google Patents.
US3497805A
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Circuit including a constant amplitude pulse generator for adjusting the amplitude of pulses produced by a transducer
Assignee: Bausch and Lomb Inc
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Filing: 1964-12-02
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Granted: 1970-02-24
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Harold G Camnitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:51
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2896165A
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US2762978A
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US2798198A
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US3131349A
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US2728866A
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US2992428A
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US3105190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |