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The ornamental design of a damper, as shown and described. |
FIG. 1 is a perspective view of a damper showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof; the right side being a mirror image of the left side shown;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a cross-sectional view taken on line 7--7 of FIG. 3;
FIG. 8 is a top plan view of a modified form of the damper shown in FIG. 1 wherein said modification resides in the peripheral shape of the damper plate; and
FIG. 9 is a bottom plan view of FIG. 8.
Patent | Priority | Assignee | Title |
ER1167, | |||
ER3934, |
Patent | Priority | Assignee | Title |
2654363, | |||
2975975, | |||
3580238, | |||
3934796, | Nov 29 1973 | Heating system with fuel saving draft retarder | |
4108369, | Mar 28 1977 | Automatic flue damper |
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