Machines not elsewhere specified – Pump or compressor
Design Patent
2000-04-03
2001-10-02
Seifert, Ralf (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0448778
CLAIM:
The ornamental design for a diaphragm pump, as shown.
REFERENCES:
patent: D. 354754 (1995-01-01), Broughton
patent: D. 403329 (1998-12-01), Walker et al.
patent: D. 404400 (1999-01-01), Wang
patent: D. 426553 (2000-01-01), Jack et al.
Frishauf, Holtz Goodman, Langer & Chick, P.C.
Seifert Ralf
SMC Kabushiki Kaisha
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