U.S. federal trademark · Serial No. 71638968 · Reg. No. 0579448
NON-MAGNETIC TAPE TO BE ATTACHED TO AN END OF, OR SPLICED IN ALONG THE LENGTH OF, A STRIP OF MAGNETIC SOUND-RECORDING TAPE, WHEREBY PREDETERMINED PERIODS OF SILENCE MAY BE OBTAINED WHEN SAID SOUND-RECORDING TAPE IS PLAYED IN A MACHINE
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