Indicator for water quality measuring instrument

Details Indicator for water quality measuring instrument Indicator for water quality measuring instrument

2003-09-05

2004-08-10

Davis, Antoine D. (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Chemical

Design Patent

active

D0494079

CLAIM:
The ornamental design for an indicator for water quality measuring instrument, as shown.

REFERENCES:
patent: 4771007 (1988-09-01), Tippetts et al.
patent: 4912417 (1990-03-01), Gibboney et al.
patent: 4940945 (1990-07-01), Littlejohn et al.
patent: D309867 (1990-08-01), Johnson
patent: 5096669 (1992-03-01), Lauks et al.
patent: 5665215 (1997-09-01), Bussmann et al.
patent: D416821 (1999-11-01), Narayanan
patent: 6222371 (2001-04-01), Snyder
patent: D462024 (2002-08-01), Nardo et al.
patent: 6428664 (2002-08-01), Bhullar et al.
patent: 6635167 (2003-10-01), Batman et al.

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