US2477754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tail wheel for airplanes
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1944-12-28
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Granted: 1949-08-02
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Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 Herman T Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:59
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/01; B60C15/00; B60C15/02; B60C3/00; B60C9/00; B60C9/02; B60C9/04; B60C9/08; B60C9/18; B60C9/20; B60C9/22; B60C2200/00; B60C2200/02; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10036; Y10T152/10117; Y10T152/10126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |