Safety double lock

- Federal-Hoffman, Inc.
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Description

FIG. 1 is a top, front, and right side elevational view of a safety double lock showing my new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 5 is an enlarged top plan view thereof; and,

FIG. 6 is an enlarged botom plan view thereof.

Referenced Cited
U.S. Patent Documents
D339057 September 7, 1993 Lofland
4680948 July 21, 1987 Stewart
5109683 May 5, 1992 Cartwright
Other references
  • "Safety Lockouts," Hoffman Engineering Company advertising brochure, p. 507 .COPYRGT.1995.
Patent History
Patent number: D371300
Type: Grant
Filed: Mar 3, 1995
Date of Patent: Jul 2, 1996
Assignee: Federal-Hoffman, Inc. (Anoka, MN)
Inventor: Brian L. Mordick (Shoreview, MN)
Primary Examiner: Brian N. Vinson
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 0/35,677
Classifications
Current U.S. Class: D/8343