Machines not elsewhere specified – Pump or compressor
Design Patent
2004-02-06
2004-11-23
Seifert, Ralf (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0498766
CLAIM:
The ornamental design for a diaphragm pump, as shown and described.
REFERENCES:
patent: D275858 (1984-10-01), Wilden
patent: D331412 (1992-12-01), Wilden
patent: D365569 (1995-12-01), Kieffer
patent: D382277 (1997-08-01), Feitel et al.
Muramatsu, Esq. Hisako
Seifert Ralf
SMC Corporation
Yokoi & Co. U.S.A., Inc.
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