Demountable shipping case

Claim 1

A DEMOUNTABLE SHIPPING CASE COMPRISING A BASE GENERALLY IN THE FORM OF A PAN HAVING A GENERALLY FLAT BOTTOM AND A LIP EXTENDING UPWARD FROM SAID FLAT BOTTOM GENERALLY AROUND THE PERIPHERY THEREOF; A COVER IN THE FORM A PAN, GENERALLY SIMILAR TO SAID BASE, HAVING A FLAT TOP AND A LIP EXTENDING DOWNWARD FROM SAID FLAT TOP GENERALLY AROUND THE PERIPHERY THEREOF, SAID COVER BEING SUFFICIENTLY DIFFERENT IN SIZE FROM SAID BASE TO FACILITATE AN EASY TELESCOPIC FIT BETWEEN THE TWO; SIDE PANELS, UNCONNECTED TO SAID BASE NORMALLY BOTH WHEN SAID CASE IS IN ASSEMBLED CONFIGURATION AND WHEN SAID CASE IS DEMOUNTED; AND CORNER POSTS FOR INSERTION WITHIN THE CORNERS OF SAID BASE AND SAID COVER, EACH HAVING TWO CHANNELS, ONE OF SAID CHANNELS ORIENTED TO RECEIVE THE EDGE OF A SIDE PANEL AND THE OTHER OF SAID CHANNELS BEING ORIENTED TO RECEIVE THE CORRESPONDING END OF A SIDE PANEL ADJACENT TO SAID END OF SAID FIRST-MENTIONED PANEL WHEN SAID CASE IS ASSEMBLED; THE LENGTH OF EACH PANEL BEING SUFFICIENTLY SHORTER THAN THE DISTANCE BETWEEN THE BOTTOMS OF THE TWO CORNER-POST CHANNELS RECEIVING, RESPECTIVELY, THE OPPOSITE ENDS OF THE PANEL, WHEN THE CORNER POSTS ARE RETAINED WITHIN THE CORNERS OF THE BASE, THAT THE PANEL SLIPS EASILY INTO SAID TWO CHANNELS, THE DEPTH OF THE SIDES OF BOTH SAID CHANNELS BEING SUFFICIENT TO PREVENT ANY GAP, WHICH WOULD EXPOSED TO ACCESS FROM THE EXTERIOR THE CONTENTS OF THE CASE, AT THE CORNERS BETWEEN THE SIDE PANELS AND THE CORNER POSTS WHEN THE CASE IS ASSEMBLED WITH THE COVER IN POSITION; SAID COVER AND SAID BASE RETAINING SAID CASE IN ASSEMBLED CONFIGURATION WITHOUT THE NEED FOR FASTENINGS BETWEEN CONTIGUOUS PARTS.