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US3291333A Expired / Lapsed US ⏱️ 0.0 years remaining

Self-sealing construction for space vehicles

Assignee: Individual
•
Filing: 1962-02-23
•
Granted: 1966-12-13
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Expires: 1982-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Philip A House

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:27
CPC Classifications
F; F16; F16J; F16J15/00; B; B64; B64G; B64G1/00; B64G1/22; B64G1/52; B64G1/56; Y; Y10; Y10S; Y10S220/00; Y10S220/90; Y10S428/00; Y10S428/912; Y10T; Y10T428/00; Y10T428/20; Y10T428/24; Y10T428/24149

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 159 words
A SELF-SEALING CONSTRUCTION FOR SPACE VEHICLES COMPRISING A HOLLOW-WALLED CLOSURE UNIT HAVING AN OUTER FLUID-IMPERVIOUS WALL AND AN INNER FLUID-IMPERVIOUS WALL SPACED FROM SAID OUTER WALL; A PIERCEABLE FLUID-IMPERVIOUS MEMBRANCE WITHIN THE HOLLOW WALL SPACED FROM SAID OUTER WALL AND SAID INNER WALL AND DIVIDING SAID HOLLOW WALL INT AT LEAST TWO FLUID-TIGHT CHAMBERS, A HIGH VISCOSITY FLUID INONE OF SAID CHAMBERS AND A RELATIVELY LOW VISCOSITY FLUID IN THE OTHER OF SAID CHAMBERS, ONE OF SAID FLUIDS BEING A POLYMERIZABLE MATERIAL CONSISTING OF POLYPROPYLENE OXIDE TOLUENE DIISOCYANATE ADDUCT HAVING A VISCOSITY OF APPROXIMATELY 10,000 POISES AND THE OTHER OF SAID FLUIDS BEING TRIETHYLENE TETAMINE HAVING A VISCOSITY BELOW 400 CENTIPOISES; A HONEYCOMB CONSTRUCTION OF INTERCONNECTING STRIPS OF RIGID, FLUID-IMPERVIOUS MATERIAL POSITIONED IN SAID OUTER CHAMBER; THE EDGES ON ONE SIDE OF SAID STRIPS BEING IN FLUID-TIGHT ASSOCIATION WITH SAID OUTER WALL AND THE EDGES ON THE OPPOSITE SIDE OF SAID STRIPS BEING IN FLUID-TIGHT ASSOCIATION WITH SAID MEMBRANE.

References Cited (Backward Citations)

US2439562A Cited
US2756875A Cited
US2993233A Cited
US2862616A Cited
US3057469A Cited
US3033734A Cited
US3048509A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-12 1970-06-13 1970-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-12 1974-06-13 1974-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-12 1978-06-13 1978-12-13 $7700.00 Window Closed / Lapsed

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