Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Design Patent
2001-03-29
2002-04-09
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
Design Patent
active
D0455362
CLAIM:
The ornamental design for a pressure detection switch, as shown.
REFERENCES:
patent: 4524254 (1985-06-01), Yoshida et al.
patent: 5108265 (1992-04-01), Kolke
patent: D447072 (2001-08-01), Asai et al.
Okuno Haruhiko
Okuyama Tomoyuki
Pinghou Ge
Sato Akio
Davis Antoine Duval
Frishauf, Holtz Goodman, Langer & Chick, P.C.
SMC Kabushiki Kaisha
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