No claim is made to the exclusive right to use "High Purity Gas", apart from the mark as shown.
THE MONOGRAM CONSISTS OF THE LETTERS "HPG" ELONGATED WITH THE TOPS OF SAID LETTERS COMING TO A POINT SIMULATING TONGUES OF A FLAME AND THE BOTTOMS OF SAID LETTERS COMING TO A ROUNDED POINT AND CURVED FOR A ROUNDED BASE.
THE MARK IS LINED FOR THE COLORS RED AND BLUE. BUT COLOR IS NOT A FEATURE OF THE MARK.