US2432613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscope sighting system having a fixed line of sight
Assignee: Individual
•
Filing: 1943-11-17
•
Granted: 1947-12-16
•
Expires: 1963-11-17
Abstract
No abstract record available.
Inventors
- 👤 Arnold M Fedde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/64; G02B27/644; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB369130A
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US1141099A
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US1628776A
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DE360390C
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FR751309A
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FR749767A
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US2350303A
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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) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |