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Patent
D648426
Priority
Jan 29 2010
Filed
Jul 28 2010
Issued
Nov 08 2011
Expiry
Nov 08 2025
Assg.orig
Entity
unknown
6
21
n/a
The ornamental design for an aeration pipe unit , as shown and described.
FIG. 1 is a perspective view of an aeration pipe unit showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a left right side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines are for the purpose of illustrating portions of the aeration pipe unit and form no part of the claimed design.
Yanone, Katsuyuki , Sueyoshi, Shinya , Kawagishi, Tomoki
Patent
Priority
Assignee
Title
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Aeration unit
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a