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:
Aug. 14, 1990
Filed:
Jan. 11, 1988
Applicant:
Inventors:
Ronald O Petersen, Banks, OR (US);
James L McAlpin, Somers Point, NJ (US);
Assignee:
Tektronix, Inc., Beaverton, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H04N / ; G21K / ;
U.S. Cl.
CPC ...
313480 ; 2505151 ; 2505181 ; 252478 ; 252629 ; 3134 / ; 313479 ; 358247 ; 378161 ; 445 22 ; 501 62 ; 501 63 ; 501 64 ; 501 72 ; 501 69 ; 501 74 ; 501152 ; 501153 ; 501154 ;
Abstract
X-ray attenuating polycrystalline ceramic materials having at least 20 wt. percent cerium oxide are disclosed. In addition, the materials can include one or more X-ray attenuating substances selected from the group including compounds of strontium, zirconium, yttrium, niobium, molybdenum, neodymium and tungsten. The materials can be formed in strong, non-porous bodies such as cathode ray tube funnels.
Petersen, Ronald. (1990). X-ray attenuating ceramic materials (U.S. Patent No. 4949010). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4949010
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile