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:
Jan. 08, 2008
Filed:
Jan. 08, 2004
Applicants:
William S. Colburn, San Diego, CA (US);
Timothy Strecker, Corvallis, OR (US);
Gerald Vincent Rapp, San Diego, CA (US);
Inventors:
William S. Colburn, San Diego, CA (US);
Timothy Strecker, Corvallis, OR (US);
Gerald Vincent Rapp, San Diego, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 11/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A replaceable auger assembly includes a body having at least one material inlet defined therein and an auger disposed within the body. The auger includes a helical portion disposed about a shaft portion and a positive shutoff mechanism. The positive shutoff mechanism is configured to selectively close the material inlet.