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, 1981
Filed:
Nov. 13, 1979
Applicant:
Inventor:
Erbie G Mize, Chattanooga, TN (US);
Assignee:
Astec Industries, Inc., Chattanooga, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ; B65D / ;
U.S. Cl.
CPC ...
220345 ; 220228 ; 220260 ; 220346 ;
Abstract
Closure apparatus for the opening in the top of a storage bin or the like, including means for providing a liquid seal between the inside of the storage bin and the outside atmosphere. The apparatus includes a reservoir surrounding the opening in the storage bin and a movable gate structure including a downwardly extending wall that is lowered into the reservoir when the gate structure is moved into a closed position.