Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Design Patent
2003-06-23
2004-08-24
Davis, Antoine D. (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
Design Patent
active
D0494879
CLAIM:
The ornamental design for a gas detector, as shown and described.
REFERENCES:
patent: D350300 (1994-09-01), Browning et al.
patent: D365528 (1995-12-01), Shibuya
patent: 6568244 (2003-05-01), Binz et al.
patent: 6606897 (2003-08-01), Koyano et al.
patent: 6655223 (2003-12-01), March et al.
patent: 6687005 (2004-02-01), Kim
City Technology Limited
Davis Antoine D.
Steptoe & Johnson LLP
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