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Patent
   D300553
Priority
Oct 14 1986
Filed
Nov 10 1986
Issued
Apr 04 1989
Expiry
Apr 04 2003
Inventors
Willis, Ka…
Assg.orig
Bowser Pum…
Assg.curr
Bowser Pum…
Entity
unknown
Referenced by
8
References
6
Maint.:
n/a
The ornamental design for a drum pump, as shown and described.

FIG. 1 is a top perspective view of a drum pump showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Willis, Karl

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D514592, Sep 30 2004 LUMAX, LLC; WORLDWIDE WELDING, LLC Pump head
D514593, Sep 30 2004 LUMAX, LLC; WORLDWIDE WELDING, LLC Pump head
D514594, Sep 30 2004 LUMAX, LLC; WORLDWIDE WELDING, LLC Pump head
D643092, Jan 04 2008 Misty Mate, Inc. Durable portable pressurized mist cooling device
D657849, Dec 03 2010 Finish Thompson, Inc. Discharge head
D658273, Dec 03 2010 Finish Thompson, Inc. Discharge head
D658274, Dec 03 2010 Finish Thompson, Inc. Discharge head
D885442, Dec 21 2018 Manual pump
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1338739,
1466804,
1517805,
2344005,
3473479,
D256945, Jun 27 1978 Le-Cas Limited Drum pump
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 22 1986WILLIS, KARL Bowser Pumps LimitedASSIGNMENT OF ASSIGNORS INTEREST 0046290495 pdf
Nov 10 1986Bowser Pumps Limited(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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