Safety hook locking device for towing chains

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Description

FIG. 1 is a front elevational view of the safey hook locking device for towing chains showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D237702 November 1975 Brown
D388382 December 30, 1997 Williams
D388384 December 30, 1997 Williams
3990722 November 9, 1976 Casad et al.
Patent History
Patent number: D404347
Type: Grant
Filed: May 13, 1997
Date of Patent: Jan 19, 1999
Inventor: Daniel John Dillon (Bath, NY)
Primary Examiner: Brian N. Vinson
Application Number: 0/75,355
Classifications
Current U.S. Class: Draw Element, E.g., Trailer Hitch (D12/162)
International Classification: 1216;