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. 23, 1983
Filed:
Dec. 14, 1979
Applicant:
Inventor:
Jon A Zboralski, Manitowoc, WI (US);
Assignee:
Hamilton Industries, Inc., Two Rivers, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23J / ;
U.S. Cl.
CPC ...
9811 / ; 137607 ;
Abstract
A laboratory fume hood with a horizontally slidable sash that is operatively coupled to and actuates a laterally movable damper in a manner inverse to sash movement. As the sash opens, the damper closes. Conversely, as the sash closes, the damper opens.