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:
Aug. 18, 1992
Filed:
Jul. 08, 1991
Terumo Corporation, Tokyo, JP;
Abstract
A tissue culture flask includes a container main body comprising a box having a bottom surface for supporting a substance to be cultured, a side surface, and an upper surface. A cylindrical neck is provided on the side surface of the container main body to communicate with the interior of the container main body, and extends obliquely upward with respect to the bottom surface and defining a first opening at an end located away from the container main body and a second opening opposite the first opening. In the flask, (1) a first angle defined by (a) a first straight line connecting a given point on the bottom surface including an edge thereof and a given point on an edge of the first opening and (b) a second straight line on the inner circumferential wall and connecting a given point on an edge of the first opening and a given point on an edge of the second opening is not greater than (2) a second angle defined by (c) said second straight line and (d) the longest third straight line connecting a given point on an edge of the first opening and a given point on an edge of the second opening.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile