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.:

US 7157841 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 02, 2007

Filed:

Mar. 04, 2004
Applicants:

Yoshihisa Yonezawa, Chiba, JP;

Yasuhiro Nohara, Chiba, JP;

Hiroaki Kawasaki, Chiba, JP;

Inventors:

Yoshihisa Yonezawa, Chiba, JP;

Yasuhiro Nohara, Chiba, JP;

Hiroaki Kawasaki, Chiba, JP;

Assignee:

Futaba Corporation, Mobara Chiba, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/88 (2006.01); H01J 19/42 (2006.01); H01K 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electron tube includes a vessel, a primary linear member installed in the vessel, an electrode disposed in the vessel, a first auxiliary linear member and a second auxiliary linear member disposed at different heights to interpose the primary linear member therebetween, and a plurality of fixing members. The fixing members are formed at a single substrate for constituting a part of the vessel, for fixing end portions of the first auxiliary and the second auxiliary linear member thereto.


Find Patent Forward Citations

Yonezawa, Yoshihisa. (2007). Electron tube having linear damper (U.S. Patent No. 7157841). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7157841

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