PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D375540
|
Priority
Jun 26 1995
|
Filed
Jun 26 1995
|
Issued
Nov 12 1996
|
Expiry
Nov 12 2010
|
|
Assg.orig
|
|
Entity
unknown
|
9
|
12
|
n/a
|
|
|
The ornamental design for an aeration unit, as shown and described.
|
FIG. 1 is a front elevational view of an aeration unit showing my new
design, the rear being a mirror image of that shown;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof; and,
FIG. 4 is a right side elevational view thereof, the left side being a
mirror image of that shown.
McDonald, Stephen J.
Patent |
Priority |
Assignee |
Title |
11913641, |
Jun 19 2019 |
BSG Holdings, LLC |
Brass burner system and method |
D648426, |
Jan 29 2010 |
Mitsubishi Chemical Corporation |
Aeration pipe unit |
D652900, |
Jan 29 2010 |
Mitsubishi Chemical Corporation |
Aeration pipe unit |
D669629, |
Oct 13 2010 |
Vode Lighting, LLC |
Dual round arm luminaire |
D669630, |
Oct 25 2010 |
Vode Lighting, LLC |
Dual square arm luminaire |
D722142, |
Jul 11 2012 |
Mitsubishi Chemical Corporation |
Aeration tube |
D722367, |
Jul 11 2012 |
Mitsubishi Chemical Corporation |
Aeration tube |
D723140, |
Jul 11 2012 |
Mitsubishi Chemical Corporation |
Aeration tube |
D723141, |
Jul 11 2012 |
Mitsubishi Chemical Corporation |
Aeration tube |
Patent |
Priority |
Assignee |
Title |
1326078, |
|
|
|
1929434, |
|
|
|
2328655, |
|
|
|
2521474, |
|
|
|
2531547, |
|
|
|
2592574, |
|
|
|
3153682, |
|
|
|
4021347, |
Jan 09 1976 |
|
Sewage treatment system |
4044079, |
Nov 20 1974 |
Patents and Developments A/S |
Drop line devices |
4409100, |
Sep 17 1981 |
Aeration Industries International, LLC |
Liquid aerating device |
240131, |
|
|
|
D320838, |
Jan 09 1989 |
|
Combined air supply line and manifold for aerating a pond or lake on fish farms |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a