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:
Feb. 06, 1996
Filed:
Aug. 03, 1994
Applicant:
Inventors:
Yukio Aoyagi, Ibaraki, JP;
Kazuhiko Otsubo, Tsuchiura, JP;
Gen Yasuda, Ibaraki, JP;
Koji Fujita, Ibaraki, JP;
Takayuki Yamakawa, Ibaraki, JP;
Kazuyoshi Narita, Ibaraki, JP;
Assignee:
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ; G06F / ;
U.S. Cl.
CPC ...
37348 ; 172-2 ; 414699 ; 36442407 ;
Aoyagi, Yukio. (1996). Hydraulic drive system for construction machine (U.S. Patent No. 5488787). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5488787
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile