Escape ladder

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Description

FIG. 1 is a perspective view of the escape ladder in a nested state;

FIG. 2 is a front elevational view of the escape ladder;

FIG. 3 is a side elevational view of the escape ladder, the opposite side being a mirror image thereof;

FIG. 4 is a rear elevational view of the escape ladder; and,

FIG. 5 is a top plan view of the escape ladder.

Referenced Cited
U.S. Patent Documents
190342 May 1877 Lake
D254394 March 4, 1980 Leslie et al.
1196419 August 1916 Banyovits
1301734 April 1919 Patterson
1816702 July 1931 Small
1859984 May 1932 Reese
2223980 December 1940 Zent
2887261 May 1959 McGuire
3075612 January 1963 Gould
3307654 March 1967 Green et al.
3315762 April 1967 Torrey
3385399 May 1968 Burt
3696888 October 1972 Brandenberger
3727724 April 1973 Gilbert et al.
3834492 September 1974 Ronk
3847246 November 1974 Bamer
3858683 January 1975 Rachocki
3907064 September 1975 Svalberg et al.
3946834 March 30, 1976 Shafer et al.
4143741 March 13, 1979 Souza et al.
4157130 June 5, 1979 Aberer
4243121 January 6, 1981 Kiss et al.
4434871 March 6, 1984 Niedworok
4531612 July 30, 1985 Sandor
4709783 December 1, 1987 Tomioka et al.
4867275 September 19, 1989 Islava et al.
5024293 June 18, 1991 Yang et al.
Foreign Patent Documents
2059544 June 1972 DEX
751948 July 1980 SUX
Other references
  • Dial Safety Ladder Corporation pricing sheet, undated, presumed published prior to Jan. 1, 1993, 1 page. MLM Machine and Metal Products, Comparison of 2-Story Fire Escape Ladders, presumed published in or about 1993, 1 page. MLM Machine Machine and Metal Products, RES-Q-LADDER Price List, dated Dec., 1993, 1 page. Consumer Reports Article entitled "Fire-Escape Ladders: Making a fast exit easy", Oct. 1991, 1 page.
Patent History
Patent number: D370736
Type: Grant
Filed: Aug 12, 1994
Date of Patent: Jun 11, 1996
Assignee: BRK Brands, Inc. (Aurora, IL)
Inventors: Patrick Douglas (Chicago, IL), Don Jursich (Chicago, IL), Kenneth R. Fenne (Glen Ellyn, IL)
Primary Examiner: Doris Clark
Law Firm: Dressler, Goldsmith, Shore & Milnamow, Ltd.
Application Number: 0/27,107
Classifications
Current U.S. Class: Ladder (D25/64)