Escape ladder - Patent D370736

Inventors:

Douglas, Patrick (Chicago, IL)
Jursich, Don (Chicago, IL)
Fenne, Kenneth R. (Glen Ellyn, IL)

Application Number:

D/027107

Publication Date:

06/11/1996

Filing Date:

08/12/1994

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Referenced by:

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Assignee:

BRK Brands, Inc. (Aurora, IL)

Primary Class:

D25/64

Field of Search:

D25/64, 182/40, 182/74, 182/49, 182/156, 182/195, 182/196, 182/197, 182/93, 182/198

US Patent References:

0190342		May, 1877	Lake
D254394	Collapsed web ladder	March, 1980	Leslie et al.	D25/64
1196419		August, 1916	Banyovits
1301734		April, 1919	Patterson
1816702	Fire escape ladder	July, 1931	Small
1859984	Folding fire escape ladder	May, 1932	Reese
2223980	Fire escape	December, 1940	Zent	228/40
2887261	Collapsible fire escape ladder	May, 1959	McGuire	228/40
3075612	Emergency escape ladder	January, 1963	Gould	182/196
3307654	Emergency fire escape apparatus	March, 1967	Green et al.	182/198
3315762	Collapsible ladder	April, 1967	Torrey	182/198
3385399	Ladder and hanger frame assembly, and reversibility and portability features therein	May, 1968	Burt	182/70
3696888	COMBINATION PORTABLE FIRE ESCAPE AND WARDROBE SUPPORT	October, 1972	Brandenberger	182/35
3727724	FIRE ESCAPE LADDER	April, 1973	Gilbert et al.	182/198
3834492	PORTABLE FIRE ESCAPE LADDER	September, 1974	Ronk	182/196
3847246	EMERGENCY FIRE EXIT MEANS	November, 1974	Bamer	182/74
3858683	BOARDING LADDER	January, 1975	Rachocki	182/156
3907064	Extendable escape ladder	September, 1975	Svalberg et al.	182/70
3946834	Self storing fire escape ladder	March, 1976	Shafer et al.	192/164
4143741	Portable escape ladder	March, 1979	Souza et al.	182/198
4157130	Fire ladder and method of constructing same	June, 1979	Aberer	182/198
4243121	Web ladder release mechanism	January, 1981	Kiss et al.	182/196
4434871	Emergency escape ladder	March, 1984	Niedworok	182/196
4531612	Escape ladder	July, 1985	Sandor	182/196
4709783	Apparatus for installing escape device for slowly lowering a body	December, 1987	Tomioka et al.	182/8
4867275	Escape ladder	September, 1989	Islava et al.	182/198
5024293	Emergency ladder equipment	June, 1991	Yang et al.	182/156

Foreign References:

DE2059544	June, 1972
SU751948	July, 1980

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.

Primary Examiner:

Clark, Doris

Attorney, Agent or Firm:

Dressler, Goldsmith, Shore & Milnamow, Ltd.

Claims:

1. The ornamental design for an escape ladder, as shown and described.

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.