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
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Filing: 1959-12-30
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Granted: 1968-08-13
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Expires: 1979-12-30
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.
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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 |