Patent
   D648007
Priority
Aug 02 2010
Filed
Jan 31 2011
Issued
Nov 01 2011
Expiry
Nov 01 2025
Assg.orig
Entity
unknown
3
15
n/a
I claim the ornamental design for an air diffusion pipe for a filter, as shown and described.

FIG. 1 is a front elevational view of an air diffusion pipe for a filter, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a sectional view taken along line 8-8 in FIG. 3;

FIG. 9 is a perspective view showing the air diffusion pipe for a filter of my new design in use; and,

FIG. 10 is an enlarged perspective view showing the air diffusion pipe for a filter of my new design in use, with the hollow fiber membrane module and support stand removed for viewing the lock nuts.

The perspective views FIGS. 9 and 10 show the air diffusion pipe for a filter of my new design in environments in which the pipe for a filter may be used, and are for illustrative purposes only.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.

Morishita, Noriyuki

Patent Priority Assignee Title
D730495, Oct 23 2012 Usui Kokusai Sangyo Kaisha Limited Terminal component for connecting pipe
D731626, Oct 23 2012 Usui Kokusai Sangyo Kaisha Limited Terminal component for connecting pipe
D881759, Jun 27 2018 Upper main shaft
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 31 2011Asahi Kasei Chemicals Corporation(assignment on the face of the patent)
Mar 15 2011MORISHITA, NORIYUKIAsahi Kasei Chemicals CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0260610300 pdf
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