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:
Jul. 04, 1989
Filed:
Jan. 12, 1988
Applicant:
Inventors:
Brad A Chaffee, Littleton, CO (US);
George E Morse, Denver, CO (US);
Assignee:
The Gates Rubber Company, Denver, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
B60V / ;
U.S. Cl.
CPC ...
104 232 ; 104 69 ; 180121 ; 180125 ; 406 89 ;
Abstract
An externally propelled load transporting apparatus that transports a uniformly distributed, non-uniformly distributed, or shifting load upon a cushion of air by first directing pressurized air into at least two plenum chambers and then through at least one flexible perforated sheet, wherein each plenum is substantially, independently pressurized.