United States Board of Tax Appeals July 10, 1925, Docket Nos. 1681-1683, 1733. (Thompson v. Commissioner)

lead-opinion

*286OPINION.

Ivins:

The taxpayers had patents which, subsequent to 1913,

undoubtedly were of considerable value. We are inclined to believe that they may have had a substantial value on March 1, 1913, and that they may have cost the taxpayers a considerable sum to secure and develop prior to that date; but the taxpayers have adduced no competent evidence of value or of the cost of