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:
Feb. 17, 1987
Filed:
Feb. 10, 1986
Applicant:
Inventor:
David A DeGood, Hudsonville, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04F / ; E06C / ;
U.S. Cl.
CPC ...
52183 ; 52185 ; 182186 ;
Abstract
A moveable stair apparatus 10 is described for allowing access from a lower floor 103 to a loft or upper floor 101 in a building or between the upper floors 101 and 102 in the building. The moveable stair apparatus includes a plurality of equally spaced apart moveable steps 12 mounted on a girder assembly 11 with a plurality of vertically extending posts 15 mounted to the steps and also a pair of parallel hand rails 16 mounted to the posts. A first pivot pin 18 is secured to the girder assembly to allow pivotable movement of the moveable stair apparatus to a lower floor 103 in a stairway position or to a second floor 102 in a catwalk position.