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:
Jan. 25, 1977
Filed:
Jul. 17, 1975
Applicant:
Inventor:
Joseph K Kraft, Gettysburg, PA (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
198326 ;
Abstract
Transportation apparatus for transporting persons between spaced landings, including a plurality of steps, and skirt members disposed at opposite sides of the steps. The steps each include tread and riser parts which cooperatively define projections on the riser side of the step adjacent to the skirt members. The projections on the step form an obtuse angle between the skirt members and the immediately adjacent portions of the riser part.