US2462541A
Expired / Lapsed
US
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Erecting system for gyroscopes
Assignee: NORDEN LAB CORP
•
Filing: 1945-10-17
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Granted: 1949-02-22
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Expires: 1965-10-17
Abstract
No abstract record available.
Inventors
- 👤 Carl L Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:09
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1845592A
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US761459A
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US1405807A
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US1627178A
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US1950517A
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DE695683C
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US2292989A
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US2384043A
Cited
GB547208A
Cited
US2392370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |