Safety knob

Description

FIG. 1 is a perspective view of a safety knob showing our new design;

FIG. 2 is a side view thereof, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D203867 February 1966 Russell et al.
D238047 December 1975 Meroni
703564 July 1902 Ellison
1412720 April 1922 Szafranski
1621876 March 1927 Doerr
1668403 May 1928 Haven
2039011 April 1936 Leonard
2449711 September 1948 Milligan
2525562 October 1950 Reeves
3035567 May 1962 Reeves
3200807 August 1965 Culligan
3462183 August 1969 Dudley et al.
3764103 October 1973 Oliverio
4300525 November 17, 1981 Delgado et al.
Patent History
Patent number: D378045
Type: Grant
Filed: Sep 25, 1995
Date of Patent: Feb 18, 1997
Inventors: Luke E. Lewis (Jackson, MS), Christopher E. Lewis (Jackson, MS)
Primary Examiner: Paula A. Mortimer
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/44,508
Classifications
Current U.S. Class: D/8307