Patent US2460305A successfully refreshed from Google Patents.
US2460305A
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US
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Device for simulating automatic radio compass indications in ground trainers
Assignee: Individual
•
Filing: 1940-12-09
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Granted: 1949-02-01
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Expires: 1960-12-09
Abstract
No abstract record available.
Inventors
- 👤 Carl W Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:17
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1293747A
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US1785241A
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US1655244A
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US2151793A
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US2038059A
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US2164412A
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US2099857A
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US2179663A
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US2361956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |