71541794
Nov 19, 1947
Aug 1, 1950
TRIMS, MULLIONS, THRESHOLDS, ASTRAGALS, ASTRAGAL FITTINGS SOLD IN CONJUNCTION WITH ASTRAGALS AND CONSTITUTING DEVICES FOR ADJUSTABLY SUPPORTING AN ASTRAGAL ON THE EDGE OF THE LOCK STILE OF EITHER OF A PAIR OF DOORS [ , AND DOUBLE DOOR COORDINATORS CONSTITUTING DEVICES FOR HOLDING ONE DOOR OF A PAIR AGAINST CLOSING UNTIL AFTER CLOSURE OF THE OTHER DOOR OF SUCH PAIR ]
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