Handheld vacuum pump unit

Details Handheld vacuum pump unit Handheld vacuum pump unit

2007-09-11

2007-09-11

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

29276822

CLAIM:
The ornamental design for a handheld vacuum pump unit, as shown and described.

REFERENCES:
patent: D248396 (1978-07-01), Sendak
patent: D336090 (1993-06-01), Lacorazza
patent: D348677 (1994-07-01), Phillips et al.
patent: D358397 (1995-05-01), Phillips et al.
patent: D405097 (1999-02-01), Wong
patent: D415500 (1999-10-01), Poon
patent: D425912 (2000-05-01), Poon
patent: D451521 (2001-12-01), Poon
patent: D464976 (2002-10-01), Krieger et al.
patent: D467593 (2002-12-01), Williams
patent: D467941 (2002-12-01), Duncan
patent: D467942 (2002-12-01), Duncan

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