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:
Mar. 02, 1976
Filed:
Feb. 26, 1973
Clifford E Anderson, Houston, TX (US);
Other;
Abstract
A motor driven machine, such as a machine capable of holding and imparting movement to a tool, for example, which may be an eraser strip that is brought to bear upon a surface, such as a paper surface, for erasure of undesirable markings therefrom. The machine includes an internal air supply mechanism having the capability of directing a flow of compressed air against the work surface in the area of contact between the tool and the surface for the purpose of cooling the surface and the tool as well as blowing particles from the immediate area of engagement between the tool and the surface. The machine may include a holding device for supporting the machine in proper position to be grasped when the machine is not in use.