Machines not elsewhere specified – Pump or compressor
Design Patent
2000-05-25
2002-02-05
Seifert, Ralf (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0453342
CLAIM:
The ornamental design for portable air pump, as shown and described.
REFERENCES:
patent: D301245 (1989-05-01), Hefling
patent: D307018 (1990-04-01), Turbanisch
patent: D339143 (1993-09-01), Whitley
patent: D405806 (1999-02-01), Poon
patent: D420011 (2000-01-01), Tsai
patent: D425914 (2000-05-01), Tsai
Bulton Enterprises Co., Ltd.
Seifert Ralf
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