Spring hinge

- Weldon Industries, Inc.
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FIG. 1 is a side symmetrical left and right view of a spring hinge showing our new design;

FIG. 2 is a rear end view thereof;

FIG. 3 is a front end view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a top view thereof.


The ornamental design for a spring hinge, as shown and described.

Referenced Cited
U.S. Patent Documents
D204872 May 1966 Davis
4381580 May 3, 1983 Hellstrom et al.
5199218 April 6, 1993 McQuade
D396626 August 4, 1998 Francom
D443196 June 5, 2001 Sosa
7240400 July 10, 2007 Bonham
D548044 August 7, 2007 Tang
D557586 December 18, 2007 Shire et al.
D588898 March 24, 2009 Lucchini
D588899 March 24, 2009 Lucchini
Other references
  • Gate Hardware Trade Catalog 2003, D&D Technologies (USA) Inc., Huntington Beach, CA, p. 21, “Tru•Close(R) Self-Closing, Multi-Adjust Hinge”.
Patent History
Patent number: D624388
Type: Grant
Filed: May 13, 2008
Date of Patent: Sep 28, 2010
Assignee: Weldon Industries, Inc. (Tampa, FL)
Inventor: Raymond Eland (Hudson, FL)
Primary Examiner: Robert M Spear
Assistant Examiner: Cynthia Underwood
Attorney: Fowler White Boggs P.A.
Application Number: 29/318,105
Current U.S. Class: D8/323