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Patent US2514129A successfully refreshed from Google Patents.
US2514129A
Expired / Lapsed
US
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Apparatus for generating sound waves
Assignee: Ultrasonic Corp
•
Filing: 1947-10-08
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Granted: 1950-07-04
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Expires: 1967-10-08
Abstract
No abstract record available.
Inventors
- 👤 Caperton B Horsley
- 👤 Gordon C Seavey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:47
CPC Classifications
G; G10; G10K; G10K7/00; G10K7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2354684A
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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) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |