Patent US2930913A successfully refreshed from Google Patents.
US2930913A
Expired / Lapsed
US
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Transducers for generating vibrations in liquids
Assignee: Bendix Aviation Corp
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Filing: 1957-10-02
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Granted: 1960-03-29
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Expires: 1977-10-02
Abstract
No abstract record available.
Inventors
- 👤 Leon W Camp
- 👤 James P O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:40
CPC Classifications
B; B06; B06B; B06B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380869A
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US2076330A
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US2407299A
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US2411541A
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GB498794A
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DE896428C
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US2498990A
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US2616820A
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US2573168A
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US2748298A
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US2774194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |