Patent US3349367A successfully refreshed from Google Patents.
US3349367A
Expired / Lapsed
US
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Electrohydrosonic transducer
Assignee: Raytheon Co
•
Filing: 1965-10-23
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Granted: 1967-10-24
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Serge S Wisotsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:45
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/133; G01V1/135; G10; G10K; G10K9/00; G10K9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2955460A
Cited
US3056104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |