Electronic clock

Details Electronic clock Electronic clock

1982-05-27

1984-12-11

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Clock or clock case

Changeable exhibitor, e.g., digital type

D10 22, D14 72

Patent

active

D02767031

REFERENCES:
patent: D90935 (1933-10-01), Barrett
patent: D223962 (1972-06-01), McQuarrie
patent: D225866 (1973-01-01), Fujita
patent: D240270 (1976-06-01), Kawano
patent: D245198 (1977-07-01), Terada
patent: D247898 (1978-05-01), Plomp
European Jeweler-2/80-p. 117-clock at top-right and timer at bottom-left.
National Jeweler-10/63-p. 72-clock at top-right.

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