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Drum pump |
| D256945 |
Drum pump
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| Patent Drawings: | |
| Inventor: |
Willis |
| Date Issued: |
September 16, 1980 |
| Application: |
05/969,196 |
| Filed: |
December 13, 1978 |
| Inventors: |
Willis; Karl (Lymm, GB2)
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| Assignee: |
Le-Cas Limited (Warrington, GB2) |
| Primary Examiner: |
Largen; James R. |
| Assistant Examiner: |
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| Attorney Or Agent: |
Larson; Roberts B. |
| U.S. Class: |
D23/232 |
| Field Of Search: |
D23/14; D23/15; D23/16; 222/382; 222/383; 222/384; 222/400.8; 222/464 |
| International Class: |
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| U.S Patent Documents: |
D10000; D115814; 1338739; 1466804; 1517805; 1610637; 2344005; 3473479; 4114782 |
| Foreign Patent Documents: |
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| Other References: |
Willis Pumps Ltd., brochure on Barrel Pump K-4.. |
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| Abstract: |
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| Claim: |
The ornamental design for a drum pump, substantially as shown. |
| Description: |
FIG. 1 is a perspective view taken from the bottom, front and right side of a drum pump showing my new design;
FIG. 2 is another perspective view taken from the top, rear and left side thereof; and
FIG. 3 is a bottom plan view thereof.
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