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US2857534A
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US
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Combination electric motor and gyroscopic structures
Assignee: Unisys Corp
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Filing: 1954-07-06
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Granted: 1958-10-21
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Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Lennox F Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:39
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/08; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US547069A
Cited
GB191021671A
Cited
GB191302123A
Cited
FR473048A
Cited
GB251389A
Cited
US1913211A
Cited
US2550571A
Cited
GB676045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |