Drain fitting operating knob

- Friedrich Grohe AG
Description

FIG. 1 is a top, front, left-side perspective view of a drain fitting operating knob showing my new design;

FIG. 2 is a left side-elevational view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side-elevational view; and,

FIG. 7 is a rear view thereof.

Referenced Cited
U.S. Patent Documents
4320540 March 23, 1982 Leavens
4339832 July 20, 1982 Cuscherd
4520942 June 4, 1985 Dwinell
4720877 January 26, 1988 Watts
5749105 May 12, 1998 Bruno et al.
5784725 July 28, 1998 Joiner
Patent History
Patent number: D408506
Type: Grant
Filed: Jul 31, 1998
Date of Patent: Apr 20, 1999
Assignee: Friedrich Grohe AG (Hemer)
Inventor: Adolf Gottwald (Iserlohn)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Eric Watterson
Attorney: Herbert Dubno
Application Number: 0/91,541
Classifications
Current U.S. Class: Cap, Plug, Vent Or Screen (11) (D23/260)
International Classification: 2301;