Patent US2527245A successfully refreshed from Google Patents.
US2527245A
Expired / Lapsed
US
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Gyroscopically controlled gunsight
Assignee: Ferranti International PLC
•
Filing: 1944-03-17
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Granted: 1950-10-24
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Expires: 1964-03-17
Abstract
No abstract record available.
Inventors
- 👤 Ford Howard
- 👤 Barnes Jeffery Walton
- 👤 Sykes Ben
- 👤 Hancock Maurice
- 👤 Robinson Bernard Wheeler
- 👤 Limited Barclays Bank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/14; F41G5/16; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1783769A
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US1984874A
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US2162698A
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US2125225A
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US2229645A
Cited
US2270876A
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US2293039A
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US2467831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |