pioneer patent
Defined in 2 dictionaries — Case Law, Black's (1910)
Definitions from Case Law
From 298 U.S. 415 - Bassick Mfg Co v. R M Hollingshead Co Rogers · 1936Most cited · 307 citing opinions
There the patent was a pioneer patent and the combination was of elements which were novel and neither of which possessed utility without the other. Each element was necessary to the operation of the other. The invention did not, as here, consist of the mere improvement of one element of an old combination.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
See Patent.