U.S. federal trademark · Serial No. 71573520 · Reg. No. 0528379
ELECTRICALLY-OPERATED NUMERAL CLOCKS-NAMELY, CLOCKS IN WHICH THE TIME IS CONTINUOUSLY GIVEN BY DIRECT READING NUMERALS, THE NUMERALS BEING ON THE PERIPHERIES OF WHEELS DRIVEN IN A STEP-BY-STEP MANNER SO THAT THE TIME READING GIVEN CHANGES EVERY MINUTE
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