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. 16, 2005
Filed:
Sep. 09, 2003
Applicant:
Sun Y. Kim, Hayward, CA (US);
Inventor:
Sun Y. Kim, Hayward, CA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B66F003/35 ;
U.S. Cl.
CPC ...
Abstract
A pneumatic lift device that has a lift unit and an activatable air supply connected to the lift unit with the lift unit having a substantially rectangular base with four sides and a substantially rectangular lift platform connected to the base by a hinge mechanism that includes four foldable side panels connected to the four sides of the base and lift platform with the lift unit having an expandable bladder between the base and lift platform, wherein on expanding the bladder with pressurized air from the air supply, the lift platform rises from the base.