US2950340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft monitoring system
Assignee: North American Aviation Corp
•
Filing: 1957-09-24
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Granted: 1960-08-23
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Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Frank G Compton
- 👤 Herbert J Crump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:18
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/003; F; F41; F41G; F41G3/00; F41G3/26; F41G3/2605; F41G3/2611; G09B9/02; G09B9/08; G02; G02B; G02B27/00; G02B27/01; G02B27/0101; G02B2027/0138; G02B27/0189
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2288871A
Cited
AT151094B
Cited
US2359032A
Cited
US2360298A
Cited
US2600662A
Cited
US2752684A
Cited
US2725781A
Cited
US2817994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |