On what date did Bell's lawyer file the patent application that secured his place as the telephone patent holder?
Answer
February 14, 1876
The critical race for formal protection materialized with extreme speed. Bell's legal representative filed the patent application for his telephone concept in Washington, D.C., on February 14, 1876. This filing date is historically notable as it coincided almost exactly with the filing of a caveat by inventor Elisha Gray for a very similar device. Although Bell was granted the official patent, Patent No. 174,465, a few weeks later on March 7, 1876, the initial filing date of February 14, 1876, marks the formal start of the protection process that solidified Bell's claim shortly thereafter.
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