TREA

Backflow prevention sink

Follow

Information

  • Patent Grant
  • D544073
  • Patent Number
    D544,073
  • Date Filed
    Wednesday, December 14, 2005
    19 years ago
  • Date Issued
    Tuesday, June 5, 2007
    17 years ago
  • US Classifications
    Field of Search
    • US
    • D23 270-271
    • D23 273
    • D23 284-287
    • D23 291
    • D23 2931
    • D23 303
    • D23 308
    • 004 619000
    • 004 624-625
    • 004 630000
    • 004 661000
    • 004 DIG015
    • D21 524
  • International Classifications
    • 2302
    • Term of Grant
      14Years
Information
Abstract
Description

FIG. 1 is a front perspective view of the backflow prevention sink.


FIG. 2 is a front view of the backflow prevention sink.


FIG. 3 is a bottom view of the backflow prevention sink; and,


FIG. 4 is a side view of the backflow prevention sink.


The present application is directed to the design illustrated in the drawings. The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design.


Claims
  • The ornamental design for a backflow prevention sink, as shown and described.
US Referenced Citations (15)
Number Name Date Kind
D243182 Seymour et al. Jan 1977 S
D255923 Rosenkranz Jul 1980 S
4440185 Wiltse Apr 1984 A
D285522 Basini Sep 1986 S
4856559 Lipshultz et al. Aug 1989 A
4991655 McHugh Feb 1991 A
5217038 Pinder Jun 1993 A
5392803 Bruce Feb 1995 A
5649681 Faye Jul 1997 A
D382332 Schwartz Aug 1997 S
5876000 Ismert Mar 1999 A
6021805 Horne et al. Feb 2000 A
6397878 Nolan Jun 2002 B1
20030188779 DeGarmo Oct 2003 A1
20050098212 DeGarmo May 2005 A1
Continuations (1)
Number Date Country
Parent 10408977 Apr 2003 US
Child 11009347 US
Continuation in Parts (1)
Number Date Country
Parent 11009347 Dec 2004 US
Child 29244839 US