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:
May. 22, 1984
Filed:
Sep. 23, 1982
Futaba Denshi Kogyo K.K., Mobara, JP;
Abstract
An flat envelope for hermetically containing various functional elements of an fluorescent display tube is disclosed. The envelope includes a base plate and a transparent front plate mounted on a front surface of the base plate to form a chamber with the base plate which contains a plurality of the indicator elements. The front plate comprises an upper glass plate, pillared glass strip side wall plates which are bonded to the inside periphery of the upper plate and a transparent electrically-conductive film for shielding static electricity deposited on the inner surface of the upper plate except the peripheral sealing portion of the upper plate and the peripheral side wall of the side wall plates.