US3209593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight condition sensing
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1960-04-21
•
Granted: 1965-10-05
•
Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Carl E Johanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:52
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/62; G01L; G01L9/00; G01L9/0082; G01L9/0085; G01L9/10; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175; G06; G06G; G06G7/00; G06G7/48; G06G7/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2657350A
Cited
US2806353A
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US2694927A
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US2944736A
Cited
US3002382A
Cited
US2950075A
Cited
US2985012A
Cited
US3090229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |