Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2008-07-01
2009-08-18
Davis, Antoine D (Department: 2915)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0598308
CLAIM:
The ornamental design for a spirit level device, as it is shown and described.
REFERENCES:
patent: D459251 (2002-06-01), Scheyer
patent: D479139 (2003-09-01), Kallabis et al.
patent: 6915586 (2005-07-01), Hickey
patent: 7228637 (2007-06-01), Kim
patent: D573908 (2008-07-01), Levinson
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