Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Design Patent
2003-06-23
2004-12-28
Davis, Antoine D. (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
Design Patent
active
D0500256
CLAIM:
The ornamental design for a gas detector, as shown and described.
REFERENCES:
patent: D478522 (2003-08-01), Geist
patent: 2004/0093930 (2004-05-01), Matsunami et al.
City Technology Limited
Davis Antoine D.
Steptoe & Johnson LLP
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