Luminescent door knob indicator

Description

FIG. 1 is a front elevational view of the luminescent door knob indicator showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

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

FIG. 7 is a reduced front elevational view thereof, the door and frame being shown in broken lines for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D110867 August 1938 Kidd
D166881 May 1952 Russell
D213270 January 1969 Wormser
D225609 December 1972 Corbett
D243925 April 5, 1977 Creamer
2712582 July 1955 Peretti
4422852 December 27, 1983 Mathias
Patent History
Patent number: D346406
Type: Grant
Filed: Jan 8, 1993
Date of Patent: Apr 26, 1994
Inventor: Brian P. Pennington (Sulphur Springs, TX)
Primary Examiner: B. J. Bullock
Attorney: S. Michael Bender
Application Number: 0/3,383
Classifications
Current U.S. Class: Attachable To Vertical Surface Or Hanging Type (D20/42); D/8351; D21/173; D21/190