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:
Apr. 30, 2013
Filed:
Sep. 15, 2009
Applicants:
Kok Seng Foo, Singapore, SG;
Chin Kau Quah, Singapore, SG;
Kai LI, Singapore, SG;
Morten Scharffscher, Trondheim, NO;
Petter Scharffscher, Trondheim, NO;
Sveinung Loset, Trondheim, NO;
Inventors:
Kok Seng Foo, Singapore, SG;
Chin Kau Quah, Singapore, SG;
Kai Li, Singapore, SG;
Morten Scharffscher, Trondheim, NO;
Petter Scharffscher, Trondheim, NO;
Sveinung Loset, Trondheim, NO;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B 35/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vehicle for use in arctic environments, the vehicle comprising a hull for accommodating people, and a pair of rotatable propulsion screws connected to the hull for propelling the vehicle on water, ice, snow and land. Each propulsion screw comprises a shaft having at least one blade helically disposed therearound.