Patent
   D591465
Priority
Dec 10 2007
Filed
Dec 10 2007
Issued
Apr 28 2009
Expiry
Apr 28 2023
Assg.orig
Entity
unknown
7
10
n/a
The ornamental design for two-step dust collector, as shown and described.

FIG. 1 is a perspective view of a two-step dust collector showing my new design;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right plan view thereof;

FIG. 6 is a top side elevational view thereof; and,

FIG. 7 is a bottom side elevational view thereof.

Lin, Wen-San

Patent Priority Assignee Title
D629575, Jul 29 2009 San Ford Machinery Co., Ltd. Dust collector
D629576, Jan 21 2010 San Ford Machinery Co., Ltd. Dust collector
D630391, Jul 31 2009 San Ford Machinery Co., Ltd.; SAN FORD MACHINERY CO , LTD Dust collector
D630392, Dec 22 2009 Dust collector
D792568, Sep 11 2015 NANJING HARVEY INDUSTRIES CO., LTD. Dust separator
ER2397,
ER7949,
Patent Priority Assignee Title
7217307, Jul 28 2004 San Ford Machinery Co., Ltd. Dust collector with an invertible wind exhausting case
D289096, Jul 12 1984 Air suction cleaning device
D357095, Feb 11 1993 META INTERNATIONAL CO , LTD Dust collector
D358234, Jan 13 1993 META INTERNATIONAL CO , LTD Dust collector
D501964, Oct 31 2003 San Ford Machinery Co., Ltd. Dust-collecting machine
D502297, Oct 31 2003 San Ford Machinery Co., Ltd. Dust-collecting machine
D518610, Jul 28 2004 San Ford Machinery Co., Ltd. Dust collector
D527852, Jun 02 2004 OAV Equipment & Tools, Inc. Dust collector
D533321, Jun 07 2005 OAV Equipment & Tools, Inc. Dust collector
D566350, Jun 20 2007 CHANG TYPE INDUSTRIAL COMPANY, LTD Dust collector
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Dec 05 2007LIN, WE-SANMETA INTERNATIONAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0204260134 pdf
Dec 10 2007Meta International Co., Ltd.(assignment on the face of the patent)
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