US3450833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic focusing system for a flying-spot scanner
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1966-01-14
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Granted: 1969-06-17
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Gilbert L Hobrough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:12
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/024; H04N1/028; G; G02; G02B; G02B7/00; G02B7/28; G02B7/30; G02B7/32; G02B7/36; H04N5/00; H04N5/222; H04N5/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |