Patent US3135057A successfully refreshed from Google Patents.
US3135057A
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US
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Flight simulator
Assignee: Northrop Grumman Corp
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Filing: 1960-04-28
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Granted: 1964-06-02
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Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Gordon A Nelson
- 👤 Fredrick D Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:40
CPC Classifications
B; B64; B64G; B64G7/00; G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/12; G09B9/14; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A FLIGHT SIMULATOR THE COMBINATION COMPRISING: A FLUID BEARING; A HOLLOW SPHERE MOUNTED ON SAID BEARING FOR UNIVERSAL ANGULAR MOVEMENT; THREE CIRCULAR RACE ASSEMBLIES EACH INCLUDING INNER AND OUTER RACES; THE OUTER RACE OF EACH RACE ASSEMBLY BEING FIXEDLY SECURED TO THE INNER SURFACE OF THE WALL OF SAID SPHERE WITH THE CENTRAL PLANES OF EACH RACE HAVING A NORMAL RELATION WITH RESPECT TO EACH OTHER; AND POWER MEANS HAVING OUTPUT MEMBERS; SAID POWER MEANS BEING MOUNTED ON THE INNER SURFACE OF SAID SPHERE WITH SAID OUTPUT MEMBERS CONTACTING SAID INNER RACES AND FUNCTIONING TO IMPART ROTATIONAL MOVEMENT DIRECTLY TO THE INNER RACES OF SAID
Claim 2
Dependent Claim
106 words
IN A FLIGHT SIMULATOR THE COMBINATION COMPRISING: A FLUID BEARING; A HOLLOW SPHERE MOUNTED ON SAID BEARING FOR UNIVERSAL ANGULAR MOVEMENT; THREE CIRCULAR RACE ASSEMBLIES EACH INCLUDING INNER AND OUTER RACES; THE OUTER RACE OF EACH RACE ASSEMBLY BEING FIXEDLY SECURED TO THE INNER SURFACE OF THE WALL OF SAID SPHERE WITH THE CENTRAL PLANES OF EACH RACE HAVING A NORMAL RELATION WITH RESPECT TO EACH OTHER; AND POWER MEANS HAVING OUTPUT MEMBERS; SAID POWER MEANS BEING MOUNTED ON THE INNER SURFACE OF SAID SPHERE WITH SAID OUTPUT MEMBERS CONTACTING SAID INNER RACES AND FUNCTIONING TO IMPART ROTATIONAL MOVEMENT DIRECTLY TO THE INNER RACES OF SAID
References Cited (Backward Citations)
US1342871A
Cited
US1393456A
Cited
US1340570A
Cited
US2289877A
Cited
US2344454A
Cited
US2528516A
Cited
US2695199A
Cited
US2960878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |