US2815193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic cleaning system
Assignee: Bendix Aviation Corp
•
Filing: 1954-01-25
•
Granted: 1957-12-03
•
Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 Gilbert G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:57
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636998A
Cited
DE511682C
Cited
US1380869A
Cited
US1923678A
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US2143610A
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FR852150A
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GB581123A
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US2336438A
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US2498990A
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US2714303A
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US2467668A
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US2521136A
Cited
US2638577A
Cited
US2651148A
Cited
US2632858A
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DE870238C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |