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US3181821A Expired / Lapsed US ⏱️ 0.0 years remaining

Space craft soft landing system

Assignee: Individual
•
Filing: 1964-06-04
•
Granted: 1965-05-04
•
Expires: 1984-06-04
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Abstract

No abstract record available.

Inventors

  • 👤 James E Webb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:17
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12; F16F7/125; B; B64; B64G; B64G1/00; B64G1/22; B64G1/62; B64G1/625; B64G1/623

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 176 words
IN A SPACECRAFT HAVING A BASE AND ADAPTED TO PERFORM SOFT LANDINGS ON LUNAR AND OTHER TERRESTRIAL SURFACES, SAID LANDINGS TO BE PERFORMED WITH THE SPACECRAFT IN A BASE DOWNWARD ATTITUDE, A LANDING GEAR SYSTEM COMPRISING: (A) A SHROUD EXTENDING CIRCUMFERENTIALLY AROUND BUT SPACED APART FROM THE SPACECRAFT HAVING AN EXTERIOR AND AN INTERIOR SURFACE; (B) A PLURALITY OF RETRACTABLE LANDING LEGS ATTACHED AT ONE END TO AND POSITIONED AROUND THE EXTERIOR SURFACE OF THE SHROUD AND EXTENDABLE TO A LANDING CONFIGURATION IN PREPARATION TO LANDING, EACH OF SAID LEGS HAVING ATTACHED AT THE OTHER END THEREOF A LANDING FOOT; AND (C) A PLURALITY OF ENERGY ABSORBERS POSITIONED IN THE SPACE BETWEEN THE SHROUD AND THE SPACECRAFT ONE END OF WHICH IS ATTACHED TO THE SPACECRAFT AND THE OTHER TO THE SHROUD INTERIOR SURFACE, WHEREBY ENERGY IS ABSORBED BY SAID ENERGY ABSORBERS WHEN THE LANDING FEED COME IN CONTACT WITH A LUNAR OR OTHER TERRESTRIAL SURFACE UPON WHICH A SOFT LANDING IS BEING PERFORMED CAUSING A RELATIVE MOVEMENT OF THE SHROUD WITH RESPECT TO THE SPACECRAFT.
Claim 2
Dependent Claim 176 words
IN A SPACECRAFT HAVING A BASE AND ADAPTED TO PERFORM SOFT LANDINGS ON LUNAR AND OTHER TERRESTRIAL SURFACES, SAID LANDINGS TO BE PERFORMED WITH THE SPACECRAFT IN A BASE DOWNWARD ATTITUDE, A LANDING GEAR SYSTEM COMPRISING: (A) A SHROUD EXTENDING CIRCUMFERENTIALLY AROUND BUT SPACED APART FROM THE SPACECRAFT HAVING AN EXTERIOR AND AN INTERIOR SURFACE; (B) A PLURALITY OF RETRACTABLE LANDING LEGS ATTACHED AT ONE END TO AND POSITIONED AROUND THE EXTERIOR SURFACE OF THE SHROUD AND EXTENDABLE TO A LANDING CONFIGURATION IN PREPARATION TO LANDING, EACH OF SAID LEGS HAVING ATTACHED AT THE OTHER END THEREOF A LANDING FOOT; AND (C) A PLURALITY OF ENERGY ABSORBERS POSITIONED IN THE SPACE BETWEEN THE SHROUD AND THE SPACECRAFT ONE END OF WHICH IS ATTACHED TO THE SPACECRAFT AND THE OTHER TO THE SHROUD INTERIOR SURFACE, WHEREBY ENERGY IS ABSORBED BY SAID ENERGY ABSORBERS WHEN THE LANDING FEED COME IN CONTACT WITH A LUNAR OR OTHER TERRESTRIAL SURFACE UPON WHICH A SOFT LANDING IS BEING PERFORMED CAUSING A RELATIVE MOVEMENT OF THE SHROUD WITH RESPECT TO THE SPACECRAFT.

References Cited (Backward Citations)

DE412318C Cited
US2391275A Cited
US2578903A Cited
US3026972A Cited
US3146014A Cited
US3059966A Cited
US3143321A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-03 1968-11-02 1969-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-03 1972-11-02 1973-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-03 1976-11-02 1977-05-04 $7700.00 Window Closed / Lapsed

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