US2512486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fore-and-aft aerial camera
Assignee: Fairchild Semiconductor Corp
•
Filing: 1944-09-26
•
Granted: 1950-06-20
•
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 18:14
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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References Cited (Backward Citations)
US349133A
Cited
US1319698A
Cited
US858146A
Cited
GB190813128A
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US1087083A
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US1358919A
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FR509133A
Cited
US1414942A
Cited
US1423364A
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DE409823C
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US1686650A
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DE562772C
Cited
US1896732A
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FR685807A
Cited
US1831794A
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US1866585A
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US1973477A
Cited
US2020384A
Cited
US2061177A
Cited
GB499378A
Cited
GB488497A
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US2245606A
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US2202138A
Cited
US2351999A
Cited
US2317096A
Cited
US2338657A
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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 |