Transformer external breather device
Description
The broken lines depict portions of the transformer external breather device that forms no part of the claimed design.
Claims
The ornamental design for a transformer external breather device, as shown and described.
Referenced Cited
U.S. Patent Documents
| D305149 | December 19, 1989 | Stahel |
| D340513 | October 19, 1993 | Stahel, II |
| D384141 | September 23, 1997 | Goodson |
| D390507 | February 10, 1998 | Hoagland, IV |
| D488104 | April 6, 2004 | Triebold |
| D532795 | November 28, 2006 | Quezada |
| D544083 | June 5, 2007 | Walser |
| D621773 | August 17, 2010 | Norman |
| D675230 | January 29, 2013 | Finnie |
| D830238 | October 9, 2018 | Yaffe |
Patent History
Patent number: D1139880
Type: Grant
Filed: Apr 11, 2024
Date of Patent: Aug 4, 2026
Inventors: Kevin Pirolo (Byhalia, MS), Devin Bright (Hickory Flat, MS)
Primary Examiner: David G Muller
Application Number: 29/936,966
Type: Grant
Filed: Apr 11, 2024
Date of Patent: Aug 4, 2026
Inventors: Kevin Pirolo (Byhalia, MS), Devin Bright (Hickory Flat, MS)
Primary Examiner: David G Muller
Application Number: 29/936,966
Classifications
Current U.S. Class:
Air Cleaner (D23/364)