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:
Nov. 03, 1992
Filed:
Mar. 20, 1991
Applicant:
Inventors:
Mitsuji Marumo, Sagamihara, JP;
Kazunori Iwamoto, Yokohama, JP;
Nobutoshi Mizusawa, Yamato, JP;
Takao Kariya, Tokyo, JP;
Shunichi Uzawa, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 53 ; 355 73 ;
Abstract
A device for holding a substrate includes a holding system for holding a substrate by attraction and a guard system for preventing dropping of the substrate held by the holding system, the guard system being out of contact with the substrate as the same is held by the holding system.
Marumo, Mitsuji. (1992). Substrate holding device (U.S. Patent No. 5160961). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5160961
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile