Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Switch or casing therefor
Design Patent
2002-10-21
2004-05-25
Hyder, Philip S. (Department: 2912)
Equipment for production, distribution, or transformation of ene
Distribution, modification or control
Switch or casing therefor
Design Patent
active
D0490379
CLAIM:
The ornamental design for a rotary stepping switch, as shown and described.
REFERENCES:
patent: 4158114 (1979-06-01), Butler et al.
patent: 4581500 (1986-04-01), Henderson et al.
patent: 5252794 (1993-10-01), Tseng
patent: 5278366 (1994-01-01), Fleischhauer
patent: 5735179 (1998-04-01), Edwards, Jr. et al.
patent: 6198057 (2001-03-01), Sato et al.
patent: D469411 (2003-01-01), Decosse
Hyder Philip S.
Leydig , Voit & Mayer, Ltd.
Sikder Selina
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