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US3396920A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for changing the orientation and velocity of a spinning body traversing a path

Assignee: National Aeronautics and Space Administration
•
Filing: 1959-12-30
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Granted: 1968-08-13
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Expires: 1979-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Harold A Rosen
  • 👤 Donald D Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:54
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 151 words
APPARATUS FOR CHANGING THE LINEAR VELOCITY OF A SPINNING BODY TRAVERSING A PATH COMPRISING: A BODY ADAPTED TO TRAVERSE A PATH WITH A PREDETERMINED LINEAR VELOCITY AND ADAPTED TO SPIN ABOUT AN AXIS EXTENDING THROUGH THE CENTER THEREOF TRANSVERSE TO SAID PATH; MEANS DISPOSED IN SAID BODY FOR DEVELOPING A PERIODIC ORIENTATION SIGNAL SYNCHRONIZED WITH THE SPIN OF SAID BODY; MEANS DISPOSED WITHIN SAID BODY AND ELECTRICALLY CONNECTED TO SAID LAST-NAMED MEANS FOR TRANSMITTING SAID ORIENTATION SIGNAL TO A CONTROL POINT; MEANS DISPOSED IN SAID BODY FOR RECEIVING CONTROL SIGNALS FROM THE CONTROL POINT; AND MEANS DISPOSED WITHIN SAID BODY AND COUPLED TO SAID LASTNAMED MEANS FOR APPLYING IMPULSES OF A PREDETERMINED MAGNITUDE TO SAID BODY DURING A PREDETERMINED PORTION OF THE SPIN CYCLE OF SAID BODY ABOUT SAID AXIS AND IN A DIRECTION ALONG A LINE NORMAL TO SAID AXIS THAT PASSES THROUGH THE CENTER OF GRAVITY OF SAID BODY.
Claim 2
Dependent Claim 151 words
APPARATUS FOR CHANGING THE LINEAR VELOCITY OF A SPINNING BODY TRAVERSING A PATH COMPRISING: A BODY ADAPTED TO TRAVERSE A PATH WITH A PREDETERMINED LINEAR VELOCITY AND ADAPTED TO SPIN ABOUT AN AXIS EXTENDING THROUGH THE CENTER THEREOF TRANSVERSE TO SAID PATH; MEANS DISPOSED IN SAID BODY FOR DEVELOPING A PERIODIC ORIENTATION SIGNAL SYNCHRONIZED WITH THE SPIN OF SAID BODY; MEANS DISPOSED WITHIN SAID BODY AND ELECTRICALLY CONNECTED TO SAID LAST-NAMED MEANS FOR TRANSMITTING SAID ORIENTATION SIGNAL TO A CONTROL POINT; MEANS DISPOSED IN SAID BODY FOR RECEIVING CONTROL SIGNALS FROM THE CONTROL POINT; AND MEANS DISPOSED WITHIN SAID BODY AND COUPLED TO SAID LASTNAMED MEANS FOR APPLYING IMPULSES OF A PREDETERMINED MAGNITUDE TO SAID BODY DURING A PREDETERMINED PORTION OF THE SPIN CYCLE OF SAID BODY ABOUT SAID AXIS AND IN A DIRECTION ALONG A LINE NORMAL TO SAID AXIS THAT PASSES THROUGH THE CENTER OF GRAVITY OF SAID BODY.

References Cited (Backward Citations)

US1102653A Cited
US1290275A Cited
US2329414A Cited
US2649262A Cited
US2822755A Cited
US2711295A Cited
US2763447A Cited
US2835548A Cited
US2974902A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-08-13 1972-02-12 1972-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-08-13 1976-02-12 1976-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-08-13 1980-02-12 1980-08-13 $7700.00 Window Closed / Lapsed

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