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:
Jun. 12, 1990
Filed:
Oct. 07, 1988
Applicant:
Inventors:
Hikaru Mizutani, Minoo, JP;
Kunio Wakai, Ibaraki, JP;
Hideo Fujiwara, Ibaraki, JP;
Hideaki Niimi, Tsuchiura, JP;
Noboru Isoe, Toride, JP;
Toshio Doi, Tama, JP;
Assignee:
Hitachi Maxell Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360132 ;
Abstract
In a recording tape cartridge having a cartridge case, magnetic recording tape and a front lid and a rear lid for protecting the magnetic tape, there are provided entrance preventing members at a bottom the cartridge case facing to clearances between side edges of the front lid and case body for preventing entrance of harmful floating particles into the area near the recording tape so as to prevent corrosion of the recording tape.