Measuring – testing – or signalling instruments – Clock or clock case – Case having geometric configuration in front elevation
Patent
1975-10-08
1978-10-10
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Case having geometric configuration in front elevation
D1001
Patent
active
D02498731
REFERENCES:
patent: D186613 (1959-11-01), Florian
patent: D197617 (1964-03-01), Shanok
patent: D222378 (1971-10-01), Berkoff
patent: D235519 (1975-06-01), Nagata
European Jeweler-9/73-p. 136-Clocks at bottom.
Holtje Nelson C.
Trifari Frank R.
U.S. Philips Corporation
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