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US3214981A Expired / Lapsed US ⏱️ 0.0 years remaining

Case rotated gyroscope

Assignee: North American Aviation Corp
•
Filing: 1962-07-02
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Granted: 1965-11-02
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Expires: 1982-07-02
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Abstract

No abstract record available.

Inventors

  • 👤 Stanley W Cogan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 06:59
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; G01C19/20; G01C19/34; G01C19/38; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
A CASE ROTATED GYROSCOPE COMPRISING, AN OUTER CASE, AN INNER CASE ROTATABLY MOUNTED ON SAID OUTER CASE, A ROTOR SUPPORTED IN SAID INNER CASE FOR THREE DEGREES OF FREEDOM RELATIVE THERETO, DRIVE MEANS MOUNTED ON SAID INNER CASE FOR ROTATABLY DRIVING SAID ROTOR ABOUT A SPIN AXIS, DRIVE MEANS MOUNTED ON SAID OUTER CASE FOR ROTATABLY DRIVING SAID INNER CASE ABOUT SAID ROTOR SPIN AXIS AT A LOW SPEED, AS COMPARED WITH THE ROTATION SPEED OF SAID ROTOR, SAID INNER CASE SURROUNDING SAID ROTOR AND FORMING A FLUID TIGHT SEAL BETWEEN SAID ROTOR AND SAID OUTER CASE, AND MEANS MOUNTED ON SAID OUTER CASE FOR TORQUING SAID ROTOR.
Claim 2
Dependent Claim 108 words
A CASE ROTATED GYROSCOPE COMPRISING, AN OUTER CASE, AN INNER CASE ROTATABLY MOUNTED ON SAID OUTER CASE, A ROTOR SUPPORTED IN SAID INNER CASE FOR THREE DEGREES OF FREEDOM RELATIVE THERETO, DRIVE MEANS MOUNTED ON SAID INNER CASE FOR ROTATABLY DRIVING SAID ROTOR ABOUT A SPIN AXIS, DRIVE MEANS MOUNTED ON SAID OUTER CASE FOR ROTATABLY DRIVING SAID INNER CASE ABOUT SAID ROTOR SPIN AXIS AT A LOW SPEED, AS COMPARED WITH THE ROTATION SPEED OF SAID ROTOR, SAID INNER CASE SURROUNDING SAID ROTOR AND FORMING A FLUID TIGHT SEAL BETWEEN SAID ROTOR AND SAID OUTER CASE, AND MEANS MOUNTED ON SAID OUTER CASE FOR TORQUING SAID ROTOR.

References Cited (Backward Citations)

US2852943A Cited
US2940318A Cited
US2981113A Cited
US3025708A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-01 1969-05-03 1969-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-01 1973-05-03 1973-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-01 1977-05-03 1977-11-02 $7700.00 Window Closed / Lapsed

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