US2798115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic reconnaissance system
Assignee: Individual
•
Filing: 1952-10-28
•
Granted: 1957-07-02
•
Expires: 1972-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jacob H Wiens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/002; H04N7/005; G; G01; G01C; G01C11/00; G01C11/02; G01C11/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2449542A
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US2480868A
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US2709716A
Cited
US2696523A
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GB700982A
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 |