Damper for round duct

Information

  • Patent Grant
  • D476407
  • Patent Number
    D476,407
  • Date Filed
    Wednesday, May 22, 2002
    22 years ago
  • Date Issued
    Tuesday, June 24, 2003
    21 years ago
  • 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
  • International Classifications
    • 2304
    • Term of Grant
      14Years
Abstract
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)
Number Name Date Kind
D86776 Klomparens Apr 1932 S
D165983 Kennedy Feb 1952 S
3577654 Marley May 1971 A
4335647 Timmons Jun 1982 A
D317819 Sello Jun 1991 S
D372775 Schuler Aug 1996 S
D437405 Schrank Feb 2001 S