Patent US2798116A successfully refreshed from Google Patents.
US2798116A
Expired / Lapsed
US
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Aerial survey system
Assignee: Individual
•
Filing: 1950-10-11
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Granted: 1957-07-02
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Expires: 1970-10-11
Abstract
No abstract record available.
Inventors
- 👤 Jacob H Wiens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
G; G01; G01C; G01C11/00; G01C11/02; G01C11/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2315621A
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US2401441A
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US2294114A
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US2485556A
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US2415981A
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US2458654A
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US2413349A
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US2419024A
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US2480868A
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US2495652A
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US2637022A
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US2709716A
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US2645971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |