Doorknob

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of doorknob showing my new design thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4838053 June 13, 1989 Shen
5177987 January 12, 1993 Shen
5364139 November 15, 1994 Bergen et al.
5481890 January 9, 1996 Millman
5484179 January 16, 1996 Mader
Patent History
Patent number: D379916
Type: Grant
Filed: Jun 5, 1995
Date of Patent: Jun 17, 1997
Inventor: Tien-Ho Chung (Ho-Mei chen, Changhua)
Primary Examiner: Paula A. Mortimer
Law Firm: Bacon & Thomas
Application Number: 0/39,766
Classifications
Current U.S. Class: D/8308
International Classification: 0806;