Machines not elsewhere specified – Pump or compressor
Design Patent
2000-12-15
2002-03-26
Seifert, Ralf (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0454885
CLAIM:
The ornamental design for a diaphragm pump, as shown and described.
REFERENCES:
patent: D215765 (1969-10-01), Levin
patent: D426553 (2000-06-01), Jack et al.
patent: D436360 (2001-01-01), Murayama
Murayama Yasuhiro
Takao Toshihiro
Armstrong, Westerman, Hattori, McLelland & Naughton, LLP
Seifert Ralf
Techno Takatsuki Co., Ltd.
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