Information
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Patent Grant
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D476407
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Patent Number
D476,407
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Date Filed
Wednesday, May 22, 200222 years ago
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Date Issued
Tuesday, June 24, 200321 years ago
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Inventors
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Original Assignees
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Examiners
- Zarfas; Louis S.
- Delhanty; Robert A.
Agents
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US Classifications
Field of Search
US
- D23 393
- D23 327
- D23 354
- D23 412
- D23 499
- 052 95
- 052 473
- 416 244 R
- 416 447 R
- D25 152
- D25 153
- D25 155
- 454 250
- 454 237
- 454 309
- 454 315
- 454 317
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International Classifications
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Description
FIG. 1 is a perspective view of a first embodiment of the damper for round duct showing my new design.
FIG. 2 is a top plan view of the damper for round duct of FIG. 1.
FIG. 3 is an end view of FIG. 2.
FIG. 4 is a perspective view of a second embodiment for a damper for round duct showing my new design.
FIG. 5 is a top plan view of the damper for round duct of FIG. 4.
FIG. 6 is a front elevation view of FIG. 5.
FIG. 7 is a right side view of FIG. 5; the left side being a mirror image thereof.
FIG. 8 is a rear view of FIG. 5.
FIG. 9 is a bottom plan view of FIG. 5.
FIG. 10 is a perspective view of a third embodiment for a damper for round duct showing my new design.
FIG. 11 is a top plan view of the damper for round duct of FIG. 10.
FIG. 12 is a front elevation view of FIG. 11.
FIG. 13 is a right side view of FIG. 11; the left side being a mirror image thereof.
FIG. 14 is a rear view of FIG. 11.
FIG. 15 is a bottom plan view of FIG. 11.
FIG. 16 is a perspective view of a fourth embodiment for a damper for round duct showing my new design.
FIG. 17 is a top plan view of the damper for round duct of FIG. 16.
FIG. 18 is a front elevation view of FIG. 17.
FIG. 19 is a right side view of FIG. 17; the left side being a mirror image thereof.
FIG. 20 is a rear view of FIG. 17.
FIG. 21 is a bottom plan view of FIG. 17.
FIG. 22 is a perspective view of a fifth embodiment for a damper for round duct showing my new design.
FIG. 23 is a top plan view of the damper for round duct of FIG. 22.
FIG. 24 is a front elevation view of FIG. 23.
FIG. 25 is a right side view of FIG. 23; the left side being a mirror image thereof.
FIG. 26 is a rear view of FIG. 23; and,
FIG. 27 is a bottom plan view of FIG. 23.
The dashed lines form no part of the claimed invention.
Claims
- The ornamental design for a damper for round duct, as shown and described.
US Referenced Citations (7)