Door knob

- Emhart Inc.
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Description

FIG. 1 is a front view of my new design of a door knob;

FIG. 2 is a right side view of my new design of the door knob, a left side view being a mirror image thereof;

FIG. 3 is a top view of my new design of the door knob, a bottom view being a mirror image thereof; and,

FIG. 4 is a rear view of my new design of the door knob.

Referenced Cited
U.S. Patent Documents
D2838 November 1867 Euteneuer
D179458 December 1956 Ohno
D180188 August 1957 Clayton
2797950 July 1957 Michael
Other references
  • Russwin Architectural Hardware Cat. No. 23; .COPYRGT.1985; pp. 7-3; Dade Knob. Schlage Co. Cat.; .COPYRGT. 1979; inside front cover, Plymouth Knob. "Home" magazine; Sep. 1983; p. 76; Knob (upper right). Kwikset Corporation; Keyed Knob; Apr. 17, 1986; Drawing No. 599,401. Kwikset Corporation; Assembly-Keyed Knob; Sep. 23, 1987; Drawing No. 516.100.
Patent History
Patent number: D348602
Type: Grant
Filed: Jul 31, 1992
Date of Patent: Jul 12, 1994
Assignee: Emhart Inc. (Newark, DE)
Inventor: Anthony J. Carsello (Chino, CA)
Primary Examiner: B. J. Bullock
Attorney: Spencer T. Smith
Application Number: 7/922,094
Classifications
Current U.S. Class: D/8310