Patent US3866321A successfully refreshed from Google Patents.
Patent US2512486A successfully refreshed from Google Patents.
US2512486A
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Fore-and-aft aerial camera
Assignee: Fairchild Semiconductor Corp
•
Filing: 1944-09-26
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Granted: 1950-06-20
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Expires: 1964-09-26
Abstract
No abstract record available.
Inventors
- 👤 Burnie M Craig
- 👤 Glen J Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:00
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/023; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1524
Claims Analysis
Total Claims: 0
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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) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |