Dewar flask holder

Claim 1

THE COMBINATION OF A SUPPORT WITH A CYLINDRICAL FLASK HAVING A CONVEX HEMISPHERICAL BASE WITH A MEMBER PROJECTING THEREFROM COMPRISING: AN ELASTOMERIC HOLDER HAVING A FLASK-RECEIVING UPPER PORTION AND A LOWER BASE PORTION, SAID FLASK-RECEIVING PORTION COMPRISING A CUP COAXIALLY FORMED IN THE UPPER PORTION, SAID CUP HAVING A CONTINUOUS CONCAVE HEMISPHERICAL CONFIGURATION ENGAGING THE ENTIRE HEMISPHERICAL SURFACE OF THE BASE OF THE FLASK FOR SUPPORTING IT, SAID CUP BEING SUFFICIENTLY SMALLER IN RADIUS THAN THE FLASK TO COACT THEREWITH TO PROVIDE VACUUM RETENTION THEREOF WHEN THE FLASK IS INSERTED THEREIN; SAID CUP TERMINATING IN AN ANNULAR CYLINDRICAL WALL COAXIALLY DISPOSED AROUND THE UPPER PERIPHERY THEREOF AND ADAPTED TO ENGAGE THE CYLINDRICAL PORTION OF THE FLASK AND PROVIDE SUBSTANTIALLY ALL OF THE LATERAL SUPPORT THEREFOR, SAID WALL BEING SUFFICIENTLY LESS IN RADIUS THAN THE CYLINDRICAL WALL OF THE FLASK TO OCACT THEREWITH TO PROVIDE FRICTIONAL RETENTION THEREOF WHEN THE FLASK IS INSERTED THEREIN; SAID CUP HAVING A RECESS THEREIN DISPOSED TO RECEIVE AND CONTAIN THE MEMBER PROJECTING FROM THE BASE OF THE FLASK; SAID LOWER BASE PORTION BEING SUBSTANTIALLY GREATER IN AREA THAN THE CORRESPONDING CROSS SECTIONAL AREA OF THE FLASK HAVING A BOTTOM FACE THERETO.