SMITH, Acting Associate Justice.
George Heimann, on the 30th of December, 1913, filed an application in Austria for a patent for a semiautomatic or automatic graded service telephone exchange system and telephone substation with graded service facilities. On the 7th of January, 1914, Heimann filed an application in Great Britain to secure a patent for the same invention, and on that application a patent was issued, known as No. 450 of 1914.
On May 7, 1917...
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