Fire ladder rung

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Description

FIG. 1 is a perspective view of a fire ladder rung showing our new design, it being understood that the broken lines are for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is an end elevational view thereof.

Referenced Cited
U.S. Patent Documents
1779370 October 1930 Pfeil
2518839 August 1950 Thonney
4143741 March 13, 1979 Souza et al.
Patent History
Patent number: D254630
Type: Grant
Filed: Jan 16, 1978
Date of Patent: Apr 1, 1980
Assignee: Rival Manufacturing Company (Kansas City, MO)
Inventors: James B. Aberer (Lake Winnebago, MO), John W. Breeden (Leawood, KS), Richard J. Ostroski (Kansas City, MO)
Primary Examiner: James M. Gandy
Law Firm: Lowe, Kokjer, Kircher, Wharton & Bowman
Application Number: 5/869,939
Classifications
Current U.S. Class: Stair Tread, Step Or Ladder Rung (D25/69)
International Classification: D0699;