Patent
   D521886
Priority
Aug 30 2004
Filed
Oct 13 2004
Issued
May 30 2006
Expiry
May 30 2020
Assg.orig
Entity
unknown
0
7
n/a
The ornamental design for a gas sampling pump, as shown and described.

FIG. 1 is a perspective view of the gas sampling pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

Nakazato, Takashi, Takayama, Yasusuke

Patent Priority Assignee Title
Patent Priority Assignee Title
4531895, Oct 15 1984 ZECK, PAUL F ; YZ SYSTEMS, INC Gas sampling pump
5476017, Oct 15 1993 ACCUTROL CO Unit dose bulk material sampling apparatus
5591894, Jul 10 1995 KEYSTONE SENSORS LLC Hydrogen sampler for molten metal and method
6017201, Jul 17 1998 JIAO HSIUNG INDUSTRY CORP Air pump with a hidden extension tube
D345706, Aug 26 1992 Martell Medical Products, Inc. Oxygen analyzer
D345707, Dec 18 1992 U.S. Philips Corporation Dust sensor device
D398548, May 27 1997 Gastec Corporation Gas sampling pump
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 04 2004NAKAZATO, TAKASHIGastec CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0158950973 pdf
Oct 04 2004TAKAYAMA, YASASUKEGastec CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0158950973 pdf
Oct 13 2004Gastec Corporation(assignment on the face of the patent)
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