Air pump covering

Details Air pump covering Air pump covering

2004-04-13

2004-12-07

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

D0499428

CLAIM:
The ornamental design for air pump covering, as shown and described.

REFERENCES:
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patent: D215765 (1969-10-01), Levin
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patent: D247436 (1978-03-01), Willinger et al.
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patent: 5052904 (1991-10-01), Itakura et al.
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patent: 5360323 (1994-11-01), Hsieh
patent: D371424 (1996-07-01), Tigert et al.
patent: 6164932 (2000-12-01), Tominaga et al.
patent: D449310 (2001-10-01), Agresta et al.
patent: D472560 (2003-04-01), Shiau
patent: D472903 (2003-04-01), Shiau
patent: D478095 (2003-08-01), Reger

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