Automatic switching device

Details Automatic switching device Automatic switching device

2002-11-21

2003-12-02

Hyder, Philip S. (Department: 2912)

Equipment for production, distribution, or transformation of ene

Distribution, modification or control

Switch or casing therefor

CD13S171000

Design Patent

active

D0483018

CLAIM:
The ornamental design for a automatic switching device, as shown and described.

REFERENCES:
patent: D371115 (1996-06-01), Stern
patent: 5903438 (1999-05-01), Deschamps et al.
patent: D426192 (2000-06-01), Rathbun et al.
patent: 6321340 (2001-11-01), Shin et al.
patent: 6578152 (2003-06-01), Burnside

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