Patent US3676493A successfully refreshed from Google Patents.
US2887784A
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Miniature gyro compass
Assignee: Unisys Corp
•
Filing: 1955-12-30
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Granted: 1959-05-26
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Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Leslie F Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:45
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/38; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1728185A
Cited
US2178623A
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US2269103A
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US1330501A
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US1694192A
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US1499602A
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GB398155A
Cited
US2232537A
Cited
US2690014A
Cited
US2698772A
Cited
US2707882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |