Insulator pin for overhead electrical lines

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Description

FIG. 1 is a top perspective view of an insulator pin for overhead electrical lines, showing our new design;

FIG. 2 is a front elevation view thereof, the back elevation view is identical to the front elevation view;

FIG. 3 is a right side elevation view thereof, the left side elevation view is identical to the right side elevation view;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The dashed lines depict portions of the invention that form no part of the claimed design. The wavy line broken away symbols in the drawings indicate the appearance of any portion of the insulator pin for overhead electrical lines between the wavy lines forms no part of the claimed design.

Claims

We claim the ornamental design for an insulator pin for overhead electrical lines, as shown and described.

Referenced Cited
U.S. Patent Documents
D34450 April 1901 Locke
D47208 April 1915 Austin
D51982 April 1918 Grummon
1546591 July 1925 Kyle
1652835 December 1927 Peirce, Jr.
2149760 March 1939 Carlson
4409433 October 11, 1983 Willem
4940857 July 10, 1990 Giroux
D326257 May 19, 1992 Lee
D330849 November 10, 1992 Stubbersfield
D458223 June 4, 2002 Gagne
D474152 May 6, 2003 Burdick
6667442 December 23, 2003 Hilligoss
D494136 August 10, 2004 Vesecky
7290748 November 6, 2007 McDonald
Foreign Patent Documents
0051276 May 1982 EP
2511182 February 1983 FR
Other references
  • Orient Electric. Link: http://www.oeipower.com/Galvanised-Steel-Spindles-for-Pin-Type-Insulators-pd6237633.html. Visited Nov. 21, 2019. NPL Galvanised Steel Spindles for Pin-Type Insulators. (Year: 2019).
  • Indiamart. Link: https://www.indiamart.com/bhagya-lakshmi-electricals/insulator-pin.html. Visited Nov. 21, 2019. Insulator Pin. (Year: 2019).
  • Chance 5-40; Pins Forged Steel Pins and Pins High Voltage Forged Steel Pins; 1 page.
Patent History
Patent number: D894125
Type: Grant
Filed: May 20, 2019
Date of Patent: Aug 25, 2020
Assignee: Electrical Materials Company (Genoa City, WI)
Inventors: Timothy M. O'Regan (Chicago, IL), Timothy J. O'Regan (Park Ridge, IL)
Primary Examiner: Lauren D McVey
Application Number: 29/691,841
Classifications
Current U.S. Class: Insulator (7) (D13/129)