US2984213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning device
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1958-03-24
•
Granted: 1961-05-16
•
Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Paul M Stiglic
- 👤 Gene L Mrava
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:34
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; B; B64; B64C; B64C13/00; B64C13/24; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE500864C
Cited
US2177098A
Cited
US2243603A
Cited
US2503397A
Cited
US2565929A
Cited
US2823685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |