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US2792804A
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Acoustic-vibration generator and method
Assignee: Individual
•
Filing: 1954-06-24
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Granted: 1957-05-21
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Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 John V Bouyoucos
- 👤 Frederick V Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:12
CPC Classifications
G; G10; G10K; G10K7/00; F; F15; F15C; F15C1/00; F15C1/22
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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |