Emergency call transmitter incorporated in a wristwatch

Horology: time measuring systems or devices – Combined with disparate device

Reexamination Certificate

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Details

C368S278000, C340S539110, C340S573100

Reexamination Certificate

active

06987708

ABSTRACT:
A wristwatch is converted into an emergency call device by unscrewing a rear cover from the back of the wristwatch housing and screwing in a transmitter housing that carries a signal-emitting mechanism.

REFERENCES:
patent: 5516005 (1996-05-01), Moseley
patent: 5617074 (1997-04-01), White
patent: 5854773 (1998-12-01), Lee
patent: 673 748 (1990-04-01), None
patent: 298 13 505 (1999-09-01), None
patent: 299 20 616 (2000-05-01), None
patent: 1 359 524 (1964-03-01), None
patent: 2 692 706 (1993-12-01), None
patent: WO 91/17542 (1991-11-01), None

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