US2514602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Training apparatus for simulating radio range signals
Assignee: Curtiss Wright Corp
•
Filing: 1947-09-30
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Granted: 1950-07-11
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Expires: 1967-09-30
Abstract
No abstract record available.
Inventors
- 👤 Paul E Grandmont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
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)
US2438126A
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US2389359A
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US2366603A
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US2417229A
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US2435502A
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US2460511A
Cited
US2352216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |