Cryogenic container

Claim 1

A CRYOGENIC CONTAINER INCLUDING (A) A RIGID SUPPORT STRUCTURE, (B) AN IMPERMEABLE OUTER TANK OF A PREDETERMINED CLOSED CONFIGURATION, (C) SAID OUTER TANK COMPRISED OF A SERIES OF OUTER CONTIGUOUS STEPPED PANELS OF POLYURETHANE FOAM ENCAPSULATED BY FIBERGLASS REINFORCED POLYESTER RESIN, (D) MEANS SECURING SAID OUTER PANELS AT THEIR OUTER FACES TO SAID SUPPORT STRUCTURE, (E) MEANS INTERPOSED BETWEEN AND SECURELY BONDING ADJACENT ONES OF SAID OUTER PANELS, (F) OUTER OVERLAY MEANS SUPERIMPOSED UPON THE JOINTS BETWEEN SAID ADJACENT OUTER PANELS AND THEREBY ENHANCING THE IMPERMEABILITY OF SAID OUTER TANK, (G) AN IMPERMEABLE INNER TANK OF SMALLER DIMENSIONS THAN SAID OUTER TANK BUT OF A PREDETERMINED CLOSED CONFIGURATION SIMILAR TO SAID OUTER TANK, (H) SAID INNER TANK COMPRISED OF A SERIES OF INNER CONTIGUOUS STEPPED PANELS OF POLYURETHANE FOAM ENCAPSULATED BY FIBERGLASS REINFORCED POLYESTER RESIN, (I) ANCHOR BLOCK MEANS INTERPOSED BETWEEN SAID INNER AND OUTER TANKS AND SECURED TO THE LATTER, (J) MEANS SECURING SAID INNER PANELS AT THEIR OUTER FACES TO SAID ANCHOR BLOCK MEANS, (K) SPACING MEANS INTEGRALLY ASSOCIATED WITH AT LEAST ONE OF SAID SERIES OF INNER AND OUTER STEPPED PANELS AT OPPOSING FACES THEREOF, (L) MEANS INTERPOSED BETWEEN AND SECURELY BONDING ADJACENT ONES OF SAID INNER PANELS, (M) INNER OVERLAY MEANS SUPERIMPOSES UPON THE JOINTS BETWEEN SAID INNER PANELS AND THEREBY ENHANCING THE TANK IMPERMEABILITY OF SAID INNER TANK, (N) SAID INNER AND OUTER TANKS DEFINING A CHAMBER THEREBETWEEN, AND (O) DETECTION MEANS IN COMMUNICATION WITH SAID CHAMBER FOR DETECTING THE PRESENCE OF CARGO THEREIN.