Centrifugal fan

Information

  • Patent Grant
  • D665900
  • Patent Number
    D665,900
  • Date Filed
    Wednesday, December 22, 2010
    14 years ago
  • Date Issued
    Tuesday, August 21, 2012
    12 years ago
  • US Classifications
    Field of Search
    • US
    • D06 309
    • D13 179
    • D23 370-386
    • D23 411-414
    • 165 080300
    • 165 120-122
    • 165 900000
    • 310 012130
    • 310 026000
    • 310 052000
    • 310 058000
    • 310 0600A0
    • 310 0600R0
    • 310 061-065
    • 310 112000
    • 310 125000
    • 310 15635-15637
    • 310 157000
    • 310 211000
    • 310 261100
    • 310 266000
    • 310 268000
    • 361 679480
    • 361 694-697
    • 392 365000
    • 392 373000
    • 392 382000
    • 392 383000
    • 415 060000
    • 415 066000
    • 415 068000
    • 415 175-178
    • 415 206000
    • 415 208100
    • 415 211200
    • 415 213100
    • 415 214100
    • 415 215100
    • 416 179000
    • 416 185000
    • 416 1860R0
    • 416 187000
    • 416 2440R0
    • 416 246000
    • 416 2470R0
  • International Classifications
    • 2304
    • Term of Grant
      14Years
Abstract
Description


FIG. 1 is a front elevation view of a centrifugal fan embodying our design, shown in an environment of use;



FIG. 2 is a rear elevation view thereof;



FIG. 3 is a right side elevation view thereof;



FIG. 4 is a left side elevation 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 thereof, taken along line 7-7 of FIG. 4;



FIG. 8 is a cross-sectional view thereof, taken along line 8-8 of FIG. 4;



FIG. 9 is a cross-sectional view thereof, taken along line 9-9 of FIG. 4;



FIG. 10 is a perspective view thereof;



FIG. 11 is a front elevation view thereof, shown at an enlarged scale and with the environment removed;



FIG. 12 is a rear elevation view thereof;



FIG. 13 is a right side elevation view thereof;



FIG. 14 is a left side elevation view thereof;



FIG. 15 is a top plan view thereof; and,



FIG. 16 is a bottom plan view thereof.


The evenly-spaced broken lines depict environmental subject matter only and form no part of the claimed design. The unevenly-spaced broken lines show the boundaries of the claimed design only and form no part of the claimed design.


Claims
  • We claim the ornamental design for a centrifugal fan, as shown and described.
Priority Claims (1)
Number Date Country Kind
2010-015648 Jun 2010 JP national
US Referenced Citations (5)
Number Name Date Kind
D209250 Grad Nov 1967 S
D487310 Li et al. Mar 2004 S
D507637 Chiu et al. Jul 2005 S
D637276 Miyabara et al. May 2011 S
20120087813 Yen et al. Apr 2012 A1
Foreign Referenced Citations (1)
Number Date Country
H07-14192 Mar 1995 JP