Spirit level

Details Spirit level Spirit level

2011-08-16

2011-08-16

Davis, Antoine D (Department: 2917)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0643320

CLAIM:
The ornamental design for a spirit level, as shown and described.

REFERENCES:
patent: D503636 (2005-04-01), Kim
patent: D582808 (2008-12-01), Cook
patent: 7509749 (2009-03-01), Stefanko

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