Patent US3439170A successfully refreshed from Google Patents.
US3439170A
Expired / Lapsed
US
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Inertial platform stabilization employing a laser beam
Assignee: United States Department of the Air Force
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Filing: 1967-03-17
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Granted: 1969-04-15
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Expires: 1987-03-17
Abstract
No abstract record available.
Inventors
- 👤 Peter V Zagone
- 👤 Jack E Hesse Jr
- 👤 Richard P Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:36
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/28; H; H01; H01S; H01S3/00; H01S3/0007; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261; Y10T74/1264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2856778A
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US2952779A
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US3137794A
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US3190131A
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US3254537A
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US3336832A
Cited
US3316799A
Cited
US3277304A
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US3328595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |