Patent US2595791A successfully refreshed from Google Patents.
US2595791A
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Transducer
Assignee: United States Department of the Navy
•
Filing: 1946-04-05
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Granted: 1952-05-06
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Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick V Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:42
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/22; Y; Y10; Y10S; Y10S29/00; Y10S29/039; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US356902A
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US1811126A
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US2076330A
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US1920354A
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US2160007A
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US2166359A
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US2416989A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |