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. 30, 1999
Filed:
Oct. 03, 1997
Applicant:
Inventors:
Eugen Feller, Grafenau, DE;
Manfred Renz, Ditzingen, DE;
Assignee:
Meissner & Wurst GmbH Co., , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01L / ;
U.S. Cl.
CPC ...
454187 ; 55355 ;
Abstract
A clean room ceiling structure includes a support structure and filter units with a filter frame and a filter secured in the filter frame. The filter frames are connected to the support structure. The filter units have sealing fluid grooves for sealing the filter units relative to the support structure.
Feller, Eugen. (1999). Clean room ceiling structure (U.S. Patent No. 5993311). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5993311
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile