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:
Aug. 19, 2014
Filed:
Jan. 08, 2010
Applicants:
Dennis Shell, Webster, MN (US);
David Shell, Escondido, CA (US);
Inventors:
Dennis Shell, Webster, MN (US);
David Shell, Escondido, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 9/08 (2006.01); A61G 7/14 (2006.01); E04F 11/06 (2006.01); A61G 7/10 (2006.01);
U.S. Cl.
CPC ...
B66B 9/0869 (2013.01); A61G 7/10 (2013.01); Y10S 414/134 (2013.01);
Abstract
A lift apparatus configured to move a passenger platform of the lift apparatus between a first position and an elevated second position. A stairway of the example lift apparatus may be used as a stairway when the passenger platform is arranged in the first position. As the passenger platform is raised to the elevated second position, hinged steps of the stairway are transformed into a horizontal surface.