Patent
   D804537
Priority
Mar 29 2016
Filed
Mar 29 2016
Issued
Dec 05 2017
Expiry
Dec 05 2032
Assg.orig
Entity
unknown
3
5
n/a
The ornamental design for a rotary drum pump, as shown and described.

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

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an alternate perspective view thereof showing my new design in an exemplary environment.

The broken lines showing of pipe, hose, and fitting in FIG. 8 illustrate the environment of the claimed design and form no part thereof.

The broken lines are included for the purpose of illustrating portions of the rotary drum pump that form no part of the claimed design.

Chen, Po-Yu

Patent Priority Assignee Title
D830416, Jan 06 2017 HANON SYSTEMS Compressor for vehicles
D883342, Jun 12 2018 Barrel for containing fluid for a pump
D885442, Dec 21 2018 Manual pump
Patent Priority Assignee Title
3011750,
D281609, Jun 10 1983 CITIBANK, N A , AS ADMINISTRATIVE AND COLLATERAL AGENT Air compressor
D298754, Sep 02 1986 Maddak, Inc. Carbon dioxide compressing generator for dry ice manufacture
D784415, Nov 13 2015 Rotary drum pump
D784416, Feb 18 2016 Rotary drum pump
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