Mine bolt

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Description

FIG. 1 is a rear perspective view of a mine bolt, showing a first embodiment of my new design;

FIG. 2 is side elevational view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is another side elevational view thereof;

FIG. 6 is front view thereof;

FIG. 7 is a rear perspective view of a mine bolt showing a second embodiment of my new design;

FIG. 8 is a front perspective view of the second embodiment;

FIG. 9 is a side elevational view of the second ebodiment;

FIG. 10 is an end view of the second embodiment;

FIG. 11 is another side elevational view of the second embodiment; and,

FIG. 12 is a front view of the second embodiment.

The shank of the bolt is shown broken away to depict indeterminate length.

Claims

The ornamental design for a mine bolt, as shown and described.

Referenced Cited
U.S. Patent Documents
1097121 May 1914 Dyer
D317862 July 2, 1991 Yamamoto
D374814 October 22, 1996 Saito
Other references
  • Industrial Fastener Institute's “Fastener Standards” 5th edition (c) 1970/p. N-45.
Patent History
Patent number: D473126
Type: Grant
Filed: Apr 19, 2001
Date of Patent: Apr 15, 2003
Inventor: Jeffrey Robert Fergusson (Glenorie NSW 2157)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Clare E. Heflin
Attorney, Agent or Law Firm: Amster, Rothstein and Ebenstein
Application Number: 29/140,509
Classifications
Current U.S. Class: D8/387
International Classification: 0808;