US2774559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning system monitor
Assignee: Bendix Aviation Corp
•
Filing: 1949-12-15
•
Granted: 1956-12-18
•
Expires: 1969-12-15
Abstract
No abstract record available.
Inventors
- 👤 Alan M Maccallum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1568972A
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US1436280A
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US2077179A
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US2217254A
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US2319000A
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US2483594A
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US2470820A
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US2487793A
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US2634391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |