Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Switch or casing therefor
Design Patent
2001-11-08
2004-08-10
Hyder, Philip S. (Department: 2912)
Equipment for production, distribution, or transformation of ene
Distribution, modification or control
Switch or casing therefor
Design Patent
active
D0494142
CLAIM:
The ornamental design for a safety switching device, as shown.
REFERENCES:
patent: D318874 (1991-08-01), Pushelberg et al.
patent: D333813 (1993-03-01), Ishida
patent: D358369 (1995-05-01), Shimizu et al.
patent: D366244 (1996-01-01), Kurokawa et al.
patent: D366869 (1996-02-01), Collins
patent: D424529 (2000-05-01), Raspotnig
patent: D442923 (2001-05-01), Raspotnig
Cohen & Pontani, Lieberman & Pavane
Hyder Philip S.
Pilz GmbH & Co.
Sikder Selina
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