US3456512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inertial device utilizing gyroscopes
Assignee: United States Department of the Navy
•
Filing: 1967-09-13
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Granted: 1969-07-22
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Expires: 1987-09-13
Abstract
No abstract record available.
Inventors
- 👤 Robert L Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/166; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221; Y10T74/1261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2631455A
Cited
US3193216A
Cited
US2801544A
Cited
US2821087A
Cited
US3004437A
Cited
US2996923A
Cited
US2963242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |