Folding gift box

Claim 1

A FOLDING BOX COMPRISING AN OPEN-TOP BOX AND A LID OF GENERALLY FLAT BLANK OF CARDBOARD AND THE LIKE, EACH OF SAID BLANKS COMPRISING: A RECTANGULAR BOTTOM SECTION JOINED INTEGRALLY AT FOLD LINES ON EACH OF TWO OPPOSITE EDGES BY RECTANGULAR SIDEWALL SECTIONS AND JOINED INTEGRALLY AT FOLD LINES ON EACH OF THE OTHER TWO OPPOSITE EDGES BY GENERALLY TRIANGULAR SECTIONS HAVING IN THE APEX REGIONS HORIZONTAL EXTENSIONS FORMING FIRST AND SECOND TABS, EACH OF SAID SIDE-WALL SECTIONS HAVING A PAIR OF GENERALLY RECTANGULAR CORNER SECTIONS JOINED INTEGRALLY THERETO, ONE AT EACH OF THE FOLD LINES ALONG OPPOSITE EDGES OF THE SIDEWALL SECTION, ONE OF EACH PAIR OF CORNER SECTIONS HAVING AN L-SLIT IN A CORNER PORTION AND A Y-CUT EXTENDING INWARDLY FROM AN OUTER EDGE, THE OTHER OF SAID CORNER SECTIONS BEING PROVIDED WITH AN EAR HAVING A SLIT LOBE AND HAVING A Y-CUT EXTENDING INWARDLY FROM AN OUTER EDGE, EACH OF SAID BLANKS BEING ADAPTED TO BE ASSEMBLED INTO A SET-UP FORM, EACH OF SAID GENERALLY TRIANGULAR SECTIONS BEING ADAPTED TO BE FOLDED TO VERTICAL POSITIONS, EACH OF THE CORNER SECTIONS WHICH HAVE AN L-SLIT THEREIN BEING ADAPTED TO BE RAISED UPWARDLY AND INWARDLY INSIDE THE VERTICALLY DISPOSED TRIANGULAR SECTION IN SUCH MANNER THAT SAID FIRST TAB ENTERS SAID FIRST-MENTIONED Y-CUT, EACH OF SAID CORNER SECTION WHICH HAVE AN EAR BEING ADAPTED TO BE RAISED UPWARDLY AND INWARDLY INSIDE THE VERTICALLY DISPOSED TRIANGULAR SECTION IN SUCH MANNER THAT SAID SECOND TAB ENTERS SAID SECOND-MENTIONED Y-CUT AND SAID EAR ENTERS SAID L-SLIT, THE SLIT LOBE OF SAID EAR THEREUPON FUNCTIONING TO RETAIN SAID EAR IN SAID L-SLIT AGAINST DISLODGEMENT BY LATERAL FORCE, THEREBY TO MAINTAIN THE ASSEMBLED BLANK IN SET-UP FORM.