Tightening ring apparatus

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Description

FIG. 1 is a front elevational view of a tightening ring showing my new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front elevational view thereof showing the ring in the operative state the broken lines are shown for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D31861 November 1899 Copeland
D88176 November 1932 Rosenberg
3036286 May 1962 Gorc et al.
3421726 January 1969 Getter
3595125 July 1971 Jacobs
Patent History
Patent number: D413791
Type: Grant
Filed: May 13, 1997
Date of Patent: Sep 14, 1999
Inventor: Aaron May (Evansville, IN)
Primary Examiner: Freda Nunn
Application Number: 0/70,675
Classifications
Current U.S. Class: D/8387
International Classification: 0808;