Patent US3463016A successfully refreshed from Google Patents.
US3463016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibra-rotor gyroscopes
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1963-11-15
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Granted: 1969-08-26
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Harold F Erdley
- 👤 Jerome S Lipman
- 👤 Sidney Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:54
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/18; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1261
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
AN INERTIAL INSTRUMENT COMPRISING A SHAFT, MEANS FOR ROTATING SAID SHAFT ABOUT ITS AXIS AT A CONSTANT RATE, A PAIR OF COLLINEAR CRUCIFORM TORSION BARS FIXED AT RIGHT ANGLES TO SAID SHAFT, AN INERTIAL ELEMENT OF CLOSED HOLLOW FORM, AND A PAIR OF DIAPHRAGMS OF SELECTED STIFFNESS EACH MOUNTED AT OPPOSITE ENDS OF SAID BARS NORMAL THERETO AND MOUNTING SAID INERTIAL ELEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |