US2651148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic vibratory device
Assignee: Raytheon Co
•
Filing: 1949-11-23
•
Granted: 1953-09-08
•
Expires: 1969-11-23
Abstract
No abstract record available.
Inventors
- 👤 Preston B Carwile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/10; B06; B06B; B06B3/00; Y; Y10; Y10S; Y10S83/00; Y10S83/956; Y10T; Y10T74/00; Y10T74/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380869A
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US1966446A
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US2044807A
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US2407299A
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US2222906A
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FR852150A
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GB581123A
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US2403034A
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US2452211A
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US2514080A
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US2553251A
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US2552139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |