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:
May. 22, 1990
Filed:
Nov. 17, 1987
Applicant:
Inventors:
George Lyman, Cape Porpoise, MA (US);
Gregory Mathus, Concord, MA (US);
Assignee:
Costar Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01L / ; C12M / ;
U.S. Cl.
CPC ...
435296 ; 215 10 ; 215 31 ; 422102 ; 435284 ; 435298 ;
Abstract
A tissue culture flask having a flat bottom wall with optical properties on the inner surface of which cells are grown. A top wall opposite the bottom wall has a large opening therethrough which provides access to the growing surface for the removal of cells growing on the surface. The opening is closed by a flexible transparent film which is sealed to the top wall and which may be peeled off the top wall to provide access to the flask interior.