Patent US3415548A successfully refreshed from Google Patents.
US3415548A
Expired / Lapsed
US
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Transducer mounting
Assignee: Ultrasonics Ltd
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Filing: 1965-09-16
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Granted: 1968-12-10
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Expires: 1985-09-16
Abstract
No abstract record available.
Inventors
- 👤 Goodman John Edward
- 👤 Grange Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:57
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; G; G10; G10K; G10K11/00; G10K11/004; F; F16; F16B; F16B2200/00; F16B2200/40; F16B2200/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |