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. 10, 2003
Filed:
Dec. 22, 1999
Hidehisa Matsumoto, Kawasaki, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid supplying system using a negative pressure producing member accommodating chamber including a liquid supply portion for supplying liquid to outside, an air vent for fluid communication with ambience and a negative pressure producing member accommodating chamber for accommodating a negative pressure producing member for retaining the liquid therein, and using a liquid accommodating container which is detachably mountable to said negative pressure producing member accommodating chamber and which defines a substantially hermetically sealed space except for fluid communication with said negative pressure producing member accommodating chamber, the improvement residing in: an air introducing groove, provided at a connecting portion relative to said negative pressure producing member accommodating container in said liquid accommodating container, for gas-liquid exchange for permitting introduction of the gas into the liquid containing portion and discharge of the liquid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile