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Patent
D934304
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Priority
Apr 15 2020
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Filed
Aug 06 2020
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Issued
Oct 26 2021
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Expiry
Oct 26 2036
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Assg.orig
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Entity
unknown
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4
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9
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n/a
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The ornamental design for a dual chamber diaphragm pump, as shown and described.
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FIG. 1 is a perspective view of a dual chamber diaphragm pump showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines depict portions of the dual chamber diaphragm pump in which the design is embodied that form no part of the claimed design.
Lin, Xi Zhen
Patent |
Priority |
Assignee |
Title |
4019837, |
May 30 1975 |
Graco Inc. |
Pressure unloading apparatus for a diaphragm pump |
20140341752, |
|
|
|
D327075, |
Jun 01 1990 |
ITT CORPORATION, A CORP OF DE |
Whirlpool pump |
D664156, |
Jul 01 2011 |
ITT Manufacturing Enterprises, Inc |
Diaphragm pump |
D669501, |
Jul 01 2011 |
FLOW CONTROL LLC |
Diaphragm pump |
D698369, |
Jun 07 2013 |
FLOW CONTROL LLC |
Diaphragm pump |
D701246, |
Jul 01 2013 |
FLOW CONTROL LLC |
Low profile pump |
D735240, |
Jan 30 2014 |
FLOW CONTROL LLC |
Low profile pump |
D752110, |
Jan 30 2014 |
Flow Control LLC. |
Low profile pump |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a