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:
Jul. 14, 1997
Applicant:
Inventor:
Sherman Rutherford, Portola Valley, CA (US);
Assignee:
Duniway Stockroom Corp., Mountain View, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417 49 ;
Abstract
A sputter ion pump including an anode assembly comprising a plurality of hollow anode cells and cathode surfaces having open spirals disposed at each end of said anode cells.