U.S. federal trademark · Serial No. 71615367 · Reg. No. 0575428
INTERVAL TIMERS FOR USE IN PHOTOENGRAVING AND PHOTOMECHANICAL REPRODUCTION-NAMELY, TIMERS CONTROLLING THE OPERATION OF PLATE WHIRLERS, TIMERS CONTROLLING THE LENGTH OF EXPOSURE WITH CONTACT PRINTERS, LIGHT-CONTROLLED OR PHOTOELECTRIC TIMERS CONTROLLING THE DURATION OF OTHER EQUIPMENT SUCH AS A CAMERA SHUTTER, AND TIMERS FOR USE WITH PHOTOENGRAVING AND PHOTOMECHANICAL CAMERAS FOR CONTROLLING THE LENGTH OF EXPOSURE
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