US2947088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated radio navigational aids receiver
Assignee: Curtiss Wright Corp
•
Filing: 1958-10-28
•
Granted: 1960-08-02
•
Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Charles F Zahner
- 👤 Ralph L Samson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:39
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/022; G01S1/028; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2435502A
Cited
US2529468A
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US2514602A
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US2685747A
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US2721397A
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US2730815A
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US2811788A
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US2846780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |