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Word: probak (lookup in dictionary) (lookup stats)
Dates: during 1930-1930
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Usage:

This was the Probak "butterfly" blade (so called because of a filigree design in its center), invented by Henry J. Gaisman (also inventor of the autograph system used in Eastman Kodaks), chairman of AutoStrop Safety Razor Co., manufacturers of Probak. This blade, which fits the Gillette razors, was patented in 1928; a patent was reissued for it in January 1930. New Gillette blades bear the legend "Patents Pending," are, therefore, not patented...

Author: /time Magazine | Title: Patent War | 4/21/1930 | See Source »

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