US3525571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analyzer for determining spatial deviations in the spectral response of photosensors
Assignee: United States Department of the Air Force
•
Filing: 1964-10-16
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Granted: 1970-08-25
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Radames K H Gebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:27
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/50; G01J3/51; G01J3/513
Claims Analysis
Total Claims: 0
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US3315229A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |