US PATENT SUBCLASS 968 / 974
.~.~ Combined with a radio [G04G 13/02D]

Current as of: June, 1999
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968 /   HD   HOROLOGY

968  DD  PRODUCING ACOUSTIC TIME SIGNALS [G04G 13/00] {1}
969  DD  .~ At preselected times, e.g., alarm clocks, etc. [G04G 13/02] {4}
974.~.~ Combined with a radio [G04G 13/02D]