Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2003-07-16
2004-05-25
Lieberman, Lucy (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
CD10S070000, CD10S072000
Design Patent
active
D0490329
CLAIM:
The ornamental design for a retractable chalk line, as shown and described.
REFERENCES:
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patent: 5493787 (1996-02-01), Owens
patent: 5920997 (1999-07-01), Girtman
patent: D454804 (2002-03-01), Zuniga
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