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:
Dec. 21, 1999
Filed:
Mar. 24, 1998
Leslie Robin Smart, Cape Town, ZA;
Michael Estment Dingle, Cape Town, ZA;
Michael John Taylor, Cape Town, ZA;
Alan Stephen Jones, Cape Town, ZA;
Richard Frederick Mann, Western Cape, ZA;
Michael Hayden Spires, Western Cape, ZA;
Mark Lawrence Jackson, Tokai, Cape Town, ZA;
Ignatius Corneluis Claassen, Springs, ZA;
Roberto De Pretto, Johannesburg, ZA;
Kevin David Richardson, Johannesburg, ZA;
Other;
Abstract
An underwater mining machine includes a chassis mounted on a powered drive arrangement for driving the chassis on an underwater surface, the chassis having a front end and a rear end and being adapted to be manoeuvrable and driven in at least a forward direction, a rotatable cutting drum secured to a boom which is attached to a cradle mounted on the chassis, and material gathering arms adapted to gather material which has been excavated or broken up by the cutting drum.