Electrical insulator
Description
The broken lines shown in the drawings depict portions of the electrical insulator that form no part of the claimed design.
Claims
The ornamental design for an electrical insulator, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D114352 | April 1939 | Taylor |
| 2447674 | August 1948 | Strom et al. |
| 2667532 | January 1954 | Ewer |
| 3238330 | March 1966 | Smith, Jr. |
| 3257501 | June 1966 | Sauer |
| 3509516 | April 1970 | Phillips |
| D219590 | December 1970 | Vose |
| D222480 | October 1971 | Canney |
| 3783181 | January 1974 | Martincic et al. |
| 3812314 | May 1974 | Nonken |
| D256355 | August 12, 1980 | Evans |
| 4584429 | April 22, 1986 | Raketti et al. |
| 4956525 | September 11, 1990 | Wilk |
| 5281767 | January 25, 1994 | West et al. |
| 5600112 | February 4, 1997 | Opfer |
| D392616 | March 24, 1998 | Gagne |
| 5736704 | April 7, 1998 | Asselin et al. |
| D430847 | September 12, 2000 | LaCour |
| 6783401 | August 31, 2004 | Wilson et al. |
| 6888060 | May 3, 2005 | Ashibe et al. |
| 7262367 | August 28, 2007 | Donzel et al. |
| 7494355 | February 24, 2009 | Hughes et al. |
| 8471150 | June 25, 2013 | Emilsson et al. |
| D775075 | December 27, 2016 | Aishima |
| 9601912 | March 21, 2017 | Motley et al. |
| 11651875 | May 16, 2023 | Glaesman |
| 20230041971 | February 9, 2023 | Czyzewski et al. |
| 301995578 | July 2012 | CN |
| 210111457 | February 2020 | CN |
| 111239650 | June 2020 | CN |
| 212229138 | December 2020 | CN |
| 75471 | March 1986 | EP |
| 920247 | March 1963 | GB |
| 2938235 | August 1999 | JP |
| 2955100 | October 1999 | JP |
| 2955102 | October 1999 | JP |
| 2955103 | October 1999 | JP |
| 3897972 | March 2007 | JP |
| 4212800 | January 2009 | JP |
| 2019057630 | April 2019 | JP |
| 7069287 | May 2022 | JP |
| 200448391 | April 2010 | KR |
| 00063049 | June 2007 | RU |
| 132247 | September 2013 | RU |
| 2022214202 | October 2022 | WO |
- What is an Insulator?, date posted unavailable, data retrieved from the internet at https://www.aakash.ac.in/blog/what-is-an-insulator-definition-types-working-properties-and-applications/ (Year: 2025).
- Types of Insulators in Overhead Lines, date posted Dec. 17, 2023, data retrieved from the internet at https://web.archive.org/web/20231217021624/https://www.hbjinyong.com/insulators-in-overhead-lines/ (Year: 2023).
Patent History
Patent number: D1145709
Type: Grant
Filed: Oct 6, 2023
Date of Patent: Sep 1, 2026
Assignee: G & W Electric Company (Bolingbrook, IL)
Inventors: Foster Pyle (Oswego, IL), Brian Nault (Lockport, IL), Stefan Micic (Bolingbrook, IL), Blair Kerr (Downers Grove, IL), Kennedy Darko (Bolingbrook, IL)
Primary Examiner: Richard Edgar
Assistant Examiner: Lorna M Georges
Application Number: 29/913,670
Type: Grant
Filed: Oct 6, 2023
Date of Patent: Sep 1, 2026
Assignee: G & W Electric Company (Bolingbrook, IL)
Inventors: Foster Pyle (Oswego, IL), Brian Nault (Lockport, IL), Stefan Micic (Bolingbrook, IL), Blair Kerr (Downers Grove, IL), Kennedy Darko (Bolingbrook, IL)
Primary Examiner: Richard Edgar
Assistant Examiner: Lorna M Georges
Application Number: 29/913,670
Classifications
Current U.S. Class:
Insulator (7) (D13/129)