Tamper-proof nut

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Description

FIG. 1 is a perspective view of a tamper-proof nut;

FIG. 2 is a side elevation view of the tamper-proof nut;

FIG. 3 is a front view of the tamper proof nut; and,

FIG. 4 is a rear view of the tamper-proof nut.

The design consists of the visual features of the tamper-proof nut shown in the drawings, whether those features are one of shape, configuration, ornament, or pattern or are a combination of any of these features.

Claims

The ornamental design for a tamper-proof nut, as shown and described.

Referenced Cited
U.S. Patent Documents
391891 October 1888 Foerster
529683 November 1894 Herman
D56847 January 1921 Armstrong
3522830 August 1970 Blizard
D245067 July 19, 1977 Coldren
4521146 June 4, 1985 Wharton
4668143 May 26, 1987 Rotar
5090854 February 25, 1992 Hafeli
5890857 April 6, 1999 Herrera
D487562 March 16, 2004 Campbell
D563212 March 4, 2008 Campbell
D744821 December 8, 2015 May
Other references
  • Nuts. Datasheet [online]. Allegheny Bolt and Screw Corp. [retrieved on Jun. 2, 2015]. Retrieved from the Internet: <URL: http://www.alleghenybolt.com/nuts.html>. Believed by applicant's representative to have been made available to the public at least as early as Aug. 18, 2010.
  • Tamper-Resistant Nuts. Datasheet [online]. McMaster-Carr [retrieved on Jun. 2, 2015]. Retrieved from the Internet: <URL: http://www.mcmaster.com/#tamper-resistant-nuts/=xjupqz>. Known by applicant to have been made available to the public at least as early as Mar. 25, 2015.
  • Spanner Nut, Spanner Nuts and Driver. Datasheet [online]. Tamperproof Screw Co. [retrieved on Jun. 2, 2015]. Retrieved from the Internet: <URL: http://www.tamperproof.com/categories/spanner-nut-removable-security-nut.html>. Believed by applicant's representative to have been made available to the public at least as early as Sep. 19, 2008.
Patent History
Patent number: D774386
Type: Grant
Filed: Mar 26, 2015
Date of Patent: Dec 20, 2016
Inventor: Randall Brown (Surrey)
Primary Examiner: Cynthia Underwood
Application Number: 29/521,870
Classifications
Current U.S. Class: D8/399