US2936627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical and velocity reference defining system
Assignee: Unisys Corp
•
Filing: 1956-01-03
•
Granted: 1960-05-17
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Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Willis G Wing
- 👤 Robert F Garbarini
- 👤 Robert L Wendt
- 👤 Rawitz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:06
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2734278A
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US2414291A
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US2598672A
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US2501885A
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US2591697A
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US2608867A
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US2752793A
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US2752792A
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US2729108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |