The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 1988
Filed:
Oct. 16, 1987
Applicant:
Inventors:
William A McAllister, Newfield, NJ (US);
Frederick Schindler, Newfield, NJ (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06C / ; E06C / ;
U.S. Cl.
CPC ...
182161 ; 182206 ; 182207 ;
Abstract
An escape ladder at rest is an elongated cylindrical body divided lengthwise with a plurality of rung devices hingeably attached between rear quadrants and between front quadrants lockable in a horizontal position and foldable into the tubular body when left and right quadrants and mated together. Right quadrants and left quadrants are interlocked together to allow the interlocked quadrants to slideably move only lengthwise in relation to each other.