Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Switch or casing therefor
Design Patent
1999-09-01
2001-02-06
Vinson, Brian N. (Department: 2911)
Equipment for production, distribution, or transformation of ene
Distribution, modification or control
Switch or casing therefor
Design Patent
active
D0437295
CLAIM:
The ornamental design for a pressure switch having a digital display, as shown.
REFERENCES:
patent: D. 280501 (1985-09-01), Walters
patent: D. 297006 (1988-08-01), Walters
patent: D. 308193 (1990-05-01), Gaalswyk
patent: D. 399830 (1998-10-01), Nagai et al.
patent: 4473729 (1984-09-01), Ting et al.
patent: 4626636 (1986-12-01), Hickman et al.
Gunji Ken
Irokawa Kenji
Katsumata Koichi
Ohmori Takashi
Frishauf, Holtz Goodman, Langer & Chick, P.C.
SMC Kabushiki Kaisha
Vinson Brian N.
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