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US2576155A
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Submarine compressional wave receptive apparatus
Assignee: Individual
•
Filing: 1946-03-26
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Granted: 1951-11-27
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Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Horace M Trent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:23
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; B06B1/0629; B06B1/0644; B06B1/0662; B06B1/0681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1401024A
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US2019497A
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US2407697A
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US2310017A
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US2497680A
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US2521642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |