Patent
   D293913
Priority
Jan 17 1986
Filed
Jan 17 1986
Issued
Jan 26 1988
Expiry
Jan 26 2002
Assg.orig
Entity
unknown
8
4
n/a
The ornamental design for an oil pump, substantially as shown and described.

FIG. 1 is a top and front perspective view of an oil pump, showing our new design, the broken-line showing of the compressor element as assembled being for illustrative purposes only and forming no part of the claimed 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 right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

Wilgus, Mitchell L., Ramsey, Roger H.

Patent Priority Assignee Title
D353600, Sep 07 1993 Fluid compressed hydraulic rotor
D469110, Aug 10 2001 CHUAN JIING ENTERPRISES CO , LTD Oil pumping device
D900877, Jul 20 2018 GRUNDFOS HOLDING A S Pump
D900878, Jul 20 2018 GRUNDFOS HOLDING A S Pump
D901543, Jul 20 2018 GRUNDFOS HOLDING A S Pump
D941884, Aug 09 2018 PSG Germany GmbH Pump
ER8793,
ER9327,
Patent Priority Assignee Title
4498844, Aug 08 1983 NASH ELMO INDUSTRIES, LLC Liquid ring pump with conical or cylindrical port member
D263839, Oct 22 1979 Pump
D264086, Dec 26 1979 HYPRO CORP Triplex piston pump
D283224, Dec 05 1983 The Nash Engineering Company Pump
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 17 1986Copeland Corporation(assignment on the face of the patent)
Mar 11 1986WILGUS, MITCHELL L Copeland CorporationASSIGNMENT OF ASSIGNORS INTEREST 0045500419 pdf
Mar 11 1986RAMSEY, ROGER H Copeland CorporationASSIGNMENT OF ASSIGNORS INTEREST 0045500419 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule