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:
Oct. 15, 1991
Filed:
Feb. 21, 1990
Applicant:
Inventors:
Assignee:
Hamamatsu Photonics K.K., Shizuoka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
313623 ; 313242 ; 313292 ;
Abstract
A discharge tube has a sealed envelope filled with a gas; an anode, cathode and shielding electrode built in the sealed envelope; and electrode holding pins. At least eight electrode holding pins penetrate a button stem so as to be arranged at predetermined intervals on a circle coaxial with the button stem, and, of at least eight electrode holding pins, at least three hold the cathode, at least three hold the shielding electrode, and at least two hold the anode.
Kawai, Koji. (1991). Discharge tube (U.S. Patent No. 5057742). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5057742
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile