Door knocker

- RB Toy Development Co.
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Description

FIG. 1 is a front elevational view of a door knocker showing our new design;

FIG. 2 is a side elevational view taken from the right of FIG. 1, the side opposite being a mere image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is an enlarged sectional view taken in the direction of the arrows on line 6--6 of FIG. 1; and

FIG. 7 is an enlarged sectional view taken in the direction of the arrows on line 7--7 of FIG. 4.

Referenced Cited
U.S. Patent Documents
D160671 October 1950 Stolper
D214774 July 1969 Kunkel
2747538 May 1956 Morse et al.
Patent History
Patent number: D256093
Type: Grant
Filed: Jun 27, 1977
Date of Patent: Jul 29, 1980
Assignee: RB Toy Development Co. (Skokie, IL)
Inventors: Sam Kupperman (Chicago, IL), Dennis Kupperman (Glenview, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Application Number: 5/810,605
Classifications
Current U.S. Class: D/8401
International Classification: D1006;