Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Switch or casing therefor
Design Patent
2004-01-20
2004-10-12
Reid, Stella (Department: 2912)
Equipment for production, distribution, or transformation of ene
Distribution, modification or control
Switch or casing therefor
Design Patent
active
D0497145
CLAIM:
The ornamental design for a pressure switch, as shown and described.
REFERENCES:
patent: 3742166 (1973-06-01), Schaefer
patent: 4172412 (1979-10-01), Sepso
patent: 4243858 (1981-01-01), Place
patent: 4339638 (1982-07-01), Lascelles et al.
patent: 4540860 (1985-09-01), Odashima et al.
patent: 4626636 (1986-12-01), Hickman et al.
patent: D308193 (1990-05-01), Gaalswyk
patent: D437295 (2001-02-01), Gunji et al.
Frishauf Holtz Goodman & Chick P.C.
Reid Stella
Sikder Selina
SMC Kabushiki Kaisha
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