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US3121218A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety flight flutter damper

Assignee: Individual
•
Filing: 1963-03-21
•
Granted: 1964-02-11
•
Expires: 1983-03-21
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Abstract

No abstract record available.

Inventors

  • 👤 Hallinan Mark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 03:24
CPC Classifications
G; G01; G01M; G01M9/00; G01M9/02; G01M9/04; G05; G05D; G05D1/00; G05D1/0055; G05D1/0066

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 116 words
IN AN AIRCRAFT HAVING A MOUNTING BEAM, AN ENGINE MOUNTED ON SAID MOUNTING BEAM, SUPPORTS POSITIONED BETWEEN SAID ENGINE AND SAID MOUNTING BEAM, THE IMPROVEMENT COMPRISING; A PLURALITY OF FLUTTER INDICATING AND DAMPING SUPPORTS MOUNTED BETWEEN SAID ENGINE AND SAID MOUNTING BEAM WITH THE AXIS OF EACH AT RIGHT ANGLES TO THE OTHER, EACH OF SAID FLUTTER INDICATING AND DAMPING SUPPORTS HAVING A HOUSING WITH A MOUNTING APERTURE LOCATED AT ONE END THEREOF, A CENTRALLY LOCATED BORE EXTENDING INTO SAID HOUSING FROM SAID OTHER END, A PLURALITY OF FINS ARRANGED ABOUT THE OUTER PORTION OF SAID HOUSING, PISTON MEANS OPERABLY MOUNTED WITHIN SAID BORE, SAID PISTON MEANS FIXEDLY SECURED AT ONE END TO SAID MOUNTING BEAM,
Claim 2
Dependent Claim 116 words
IN AN AIRCRAFT HAVING A MOUNTING BEAM, AN ENGINE MOUNTED ON SAID MOUNTING BEAM, SUPPORTS POSITIONED BETWEEN SAID ENGINE AND SAID MOUNTING BEAM, THE IMPROVEMENT COMPRISING; A PLURALITY OF FLUTTER INDICATING AND DAMPING SUPPORTS MOUNTED BETWEEN SAID ENGINE AND SAID MOUNTING BEAM WITH THE AXIS OF EACH AT RIGHT ANGLES TO THE OTHER, EACH OF SAID FLUTTER INDICATING AND DAMPING SUPPORTS HAVING A HOUSING WITH A MOUNTING APERTURE LOCATED AT ONE END THEREOF, A CENTRALLY LOCATED BORE EXTENDING INTO SAID HOUSING FROM SAID OTHER END, A PLURALITY OF FINS ARRANGED ABOUT THE OUTER PORTION OF SAID HOUSING, PISTON MEANS OPERABLY MOUNTED WITHIN SAID BORE, SAID PISTON MEANS FIXEDLY SECURED AT ONE END TO SAID MOUNTING BEAM,

References Cited (Backward Citations)

US2845503A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-10 1967-08-12 1968-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-10 1971-08-12 1972-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-10 1975-08-12 1976-02-11 $7700.00 Window Closed / Lapsed

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