Machines not elsewhere specified – Pump or compressor
Design Patent
2001-07-20
2002-01-29
Seifert, Ralf (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0453168
CLAIM:
The ornamental design for air pump, as shown and described.
REFERENCES:
patent: D356800 (1995-03-01), Chen
patent: 5568117 (1996-10-01), Hsu
patent: D409206 (1999-05-01), Wang
patent: D434423 (2000-11-01), Wang
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