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:
Nov. 03, 1981
Filed:
Jun. 13, 1979
Applicant:
Inventors:
Takahiro Daikoku, Ibaraki, JP;
Tomokatsu Oguro, Mobara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315 3951 ; 165 47 ; 313 40 ; 313 45 ;
Abstract
In a forced air cooled type magnetron device having a plurality of cooling fins, the opposite ends of each fin are provided with a plurality of tongue shaped pieces and alternate pieces are bent in the opposite directions to enhance turbulence.