US2693281A
Expired / Lapsed
US
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Assignee: Bendix Aviation Corp
•
Filing: 1950-03-17
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Granted: 1954-11-02
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Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Hans P Winzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
B; B01; B01D; B01D36/00; B01D36/003; B01D36/006; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/21; B01D35/00; B01D35/14; B01D35/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1675378A
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US1910553A
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US1953759A
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US2188643A
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GB505271A
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US2471069A
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US2544269A
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US2544244A
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US2615573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |