US2657883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nose wheel steering system for aircraft
Assignee: AIR ASSOCIATES Inc
•
Filing: 1951-06-21
•
Granted: 1953-11-03
•
Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Harry P Kupiec
- 👤 Everett G Gravenhorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:52
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US548289A
Cited
FR629649A
Cited
US2243364A
Cited
US2424233A
Cited
US2474681A
Cited
US2577999A
Cited
US2506093A
Cited
US2552843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |