Patent
   D315912
Priority
Sep 21 1988
Filed
Mar 14 1989
Issued
Apr 02 1991
Expiry
Apr 02 2005
Assg.orig
Entity
unknown
7
4
n/a
The ornamental design for a vacuum pump, as shown and described.

FIG. 1 is a front elevational view of a vacuum pump showing our design;

FIG. 2 is a rear 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.

Abe, Yoshinori, Nishida, Mitsuhiro, Fujii, Kozaburo, Kondoh, Nobuyuki

Patent Priority Assignee Title
D335291, Aug 02 1990 Mannesmann AG Combined vacuum pump and compressor
D335292, Aug 02 1990 Mannesmann AG Combined vacuum pump and compressor
D626149, Apr 28 1920 Edwards Limited Vacuum pump
D626150, Oct 22 2009 Edwards Limited Vacuum pump
D626151, Oct 22 2009 Edwards Limited Vacuum pump
D811442, Jul 18 2016 Home-brew pump
D946628, Sep 30 2020 DEEPMOTOR INC; DEEPMOTOR, INC Water pump
Patent Priority Assignee Title
3213797,
124842,
162502,
D294361, Aug 17 1984 The Hydrovane Compressor Company, Limited Rotary air compressor
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 03 1989NISHIDA, MITSUHIROMitsubishi Denki Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0055680380 pdf
Mar 03 1989FUJII, KOZABUROMitsubishi Denki Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0055680380 pdf
Mar 03 1989KONDOH, NOBUYUKIMitsubishi Denki Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0055680380 pdf
Mar 03 1989ABE, YOSHINORIMitsubishi Denki Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0055680380 pdf
Mar 14 1989Mitsubishi Denki K.K.(assignment on the face of the patent)
Mar 21 2002General Electric Capital CorporationARK-CLO- 2000-1 LTDASSIGNMENT OF SECURITY INTEREST IN PATENTS0146750147 pdf
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