Patent US2478956A successfully refreshed from Google Patents.
US2478956A
Expired / Lapsed
US
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Tilt detector and control for gyroscopes
Assignee: Unisys Corp
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Filing: 1943-07-13
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Granted: 1949-08-16
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Expires: 1963-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:52
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261; Y10T74/1271; Y10T74/1289; Y10T74/18; Y10T74/18056; Y10T74/18232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1773172A
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US1822184A
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US2193910A
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US2278379A
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US2367465A
Cited
CH215979A
Cited
US2380538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |