Patent
   D268281
Priority
Sep 26 1979
Filed
Sep 26 1979
Issued
Mar 15 1983
Expiry
Mar 15 1997
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a damper, as shown.

FIG. 1 is a perspective view of a damper showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a fragmentary cross-sectional view taken on line 5--5 of FIG. 3.

Prikkel, III, John

Patent Priority Assignee Title
D271615, Apr 06 1981 Energy Vent, Inc. Damper unit
D558325, Dec 05 2005 Dura-Tite Systems, LLC Trunk line take-off
D738481, Dec 30 2012 Nela D.O.O. Electrical blower
Patent Priority Assignee Title
1669707,
2654363,
2975975,
4108369, Mar 28 1977 Automatic flue damper
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