Water clock

Details Water clock Water clock

2002-01-10

2002-09-17

Holtje, Nelson C. (Department: 2913)

Measuring, testing, or signalling instruments

Clock or clock case

Changeable exhibitor, e.g., digital type

Design Patent

active

D0462907

CLAIM:
The ornamental design for a water clock, as shown and described.

REFERENCES:
patent: D304453 (1989-11-01), Matsushima
patent: D366215 (1996-01-01), George et al.
patent: D391187 (1998-02-01), Tsui
patent: D407324 (1999-03-01), Bragg
patent: D419891 (2000-02-01), Chan
patent: D437237 (2001-02-01), Chan

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