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:
Apr. 20, 1982
Filed:
Nov. 26, 1980
Applicant:
Inventor:
Marc J Thompson, New Paltz, NY (US);
Assignee:
The Virtis Company, Inc., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 92 ;
Abstract
A shelf arrangement is disposed within the vacuum drying chamber of a freeze dryer. The shelf arrangement has a plurality of vertically-movable shelves, flanges of which are positioned within vertically disposed, elongated slots. The slots are located in side plates, which plates maintain upper and lower bracket assemblies in spaced-apart relation. Certain of the slots are provided with stop means for rendering certain of the shelves vertically immovable. Elevating means are provided for raising and lowering the movable shelves.