Patent US2693944A successfully refreshed from Google Patents.
US2693944A
Expired / Lapsed
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Sonic generator for the agitastion of fluids
Assignee: Ultrasonic Corp
•
Filing: 1951-05-05
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Granted: 1954-11-09
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Expires: 1971-05-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Fowle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:47
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B01F; B01F31/00; B01F31/80; B01F31/82; B06; B06B; B06B1/00; B06B1/02; B06B1/04; B06B1/045; Y; Y10; Y10S; Y10S116/00; Y10S116/18; Y10S99/00; Y10S99/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1178528A
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US1210913A
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US1454353A
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US2138051A
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US2138052A
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US2138839A
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US2163650A
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US2386513A
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US2532229A
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US2565159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |