Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2007-01-23
2007-01-23
Davis, Antoine D. (Department: 2915)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
29259356
CLAIM:
The ornamental design for an electronic spirit level, as shown and described.
REFERENCES:
patent: D343363 (1994-01-01), Wright
patent: D459251 (2002-06-01), Scheyer
patent: D498152 (2004-11-01), Hickey
patent: D503636 (2005-04-01), Kim
patent: D525543 (2006-07-01), Kallabis
patent: 2005/0039341 (2005-02-01), Hickey
Busam Daniel
Kallabis Gabriel
Schäfer Wolfgang
Davis Antoine D.
Dennison, Schultz & MacDonald
Palasik Patricia
Stabila Messgerate Gustav Ullrich GmbH
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