US2779538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigational relative motion computer
Assignee: Individual
•
Filing: 1952-06-13
•
Granted: 1957-01-29
•
Expires: 1972-06-13
Abstract
No abstract record available.
Inventors
- 👤 William M Shanhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/0005; G06G1/0052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191409190A
Cited
GB149158A
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FR694083A
Cited
US1917278A
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US2099713A
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US2328881A
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US2350424A
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US2357131A
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US2534288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |