Shelf

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Description

FIG. 1 is a top perspective view of the shelf;

FIG. 2 is a front view of the shelf;

FIG. 3 is a top view of the shelf;

FIG. 4 is a side view of the shelf;

FIG. 5 is a bottom view of the shelf;

FIG. 6 is a rear view of the shelf;

FIG. 7 is a side perspective view of the shelf; and,

FIG. 8 is a front perspective view of the shelf.

The main objective of the shelf is to allow both small and heavy loads to be placed on both sides of the shelf without influence on airflow inside the testing equipment. It includes a shelf with an obdurate steel wire frame and a stainless steel plate with holes. The holes promote free air flow inside the testing equipment. The shelf has a parallel runner so that it will not be dumped when the user pulls or pushes the shelf for adjusting the experimental loads.

Claims

The ornamental design for a shelf, as shown and described.

Referenced Cited
U.S. Patent Documents
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4154795 May 15, 1979 Thorne
D260568 September 1, 1981 Cherry
D266772 November 2, 1982 Sayers
4953473 September 4, 1990 Tomaka et al.
5222612 June 29, 1993 Binder
D362572 September 26, 1995 Joseph, Jr.
D387874 December 16, 1997 Vila
D413217 August 31, 1999 Bidwell et al.
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D454371 March 12, 2002 Goodman et al.
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D515315 February 21, 2006 Rader et al.
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D587492 March 3, 2009 Gusdorf
D592897 May 26, 2009 Welsch et al.
D597354 August 4, 2009 Liss
Other references
  • Extract from website of Fisher Scientific; Copyright 2010 Thermo Fisher Scientific Inc.; “Shelves for Fisher Scientific* Isotemp* Freezers, Refrigerators, and Refrigerator/Freezers”; 1-Page.
  • Extract from website of Labconco Corporation; Labconco Corpl; Copyright 2009; “Tray with Slide Out Bottom”; 1-page.
Patent History
Patent number: D634570
Type: Grant
Filed: Apr 20, 2010
Date of Patent: Mar 22, 2011
Assignee: Esco Technologies (Asia) Pte Ltd (Singapore)
Inventor: Xiang Qian Lin (Singapore)
Primary Examiner: Elizabeth A Albert
Assistant Examiner: Kelley A Donnelly
Attorney: Nields, Lemack & Frame, LLC
Application Number: 29/349,661
Classifications
Current U.S. Class: D6/511