Door handle
Description
1. Door handle
The door handle changes colors at different points in time, while the product is in use, in order to enable, deny access to the user.
Claims
The ornamental design for a door handle, as shown and described.
Referenced Cited
U.S. Patent Documents
| D111012 | August 1938 | Carlson |
| D117908 | December 1939 | Morgan |
| D306251 | February 27, 1990 | Kuli |
| D315087 | March 5, 1991 | Jans |
| D356484 | March 21, 1995 | Scholl |
| D534784 | January 9, 2007 | Veltz |
| D583212 | December 23, 2008 | Grohmann |
| D650259 | December 13, 2011 | Garancz |
| D734121 | July 14, 2015 | Schneider |
| D785436 | May 2, 2017 | Carlino |
| D805874 | December 26, 2017 | Landecker |
| D820403 | June 12, 2018 | Garland |
| D843195 | March 19, 2019 | Ronge |
| 20170107739 | April 20, 2017 | Ruff |
Patent History
Patent number: D915863
Type: Grant
Filed: Nov 20, 2019
Date of Patent: Apr 13, 2021
Inventor: Christof Ronge (Luxembourg)
Primary Examiner: Deanna L Pratt
Application Number: 35/508,621
Type: Grant
Filed: Nov 20, 2019
Date of Patent: Apr 13, 2021
Inventor: Christof Ronge (Luxembourg)
Primary Examiner: Deanna L Pratt
Application Number: 35/508,621
Classifications
Current U.S. Class:
D8/308