Doorknob
Description
All broken lines illustrate portions of the doorknob that form no part of the claimed design.
Claims
The ornamental design for a doorknob, as shown and described.
Referenced Cited
U.S. Patent Documents
| D179220 | November 1956 | Russell |
| D179458 | December 1956 | Ohno |
| D180818 | August 1957 | Clayton |
| 2967728 | January 1961 | Falk |
| 3024555 | March 1962 | Abeles |
| D199924 | December 1964 | Schlage |
| 3434752 | March 1969 | Spinuzzi |
| D280073 | August 13, 1985 | Wildgen |
| 5074607 | December 24, 1991 | Lin |
| 5411303 | May 2, 1995 | To |
| D454049 | March 5, 2002 | LaPlume |
| D492887 | July 13, 2004 | Wu |
| D548038 | August 7, 2007 | Huang |
| D691447 | October 15, 2013 | Weathersby |
| D986025 | May 16, 2023 | Fukuda |
Patent History
Patent number: D1101537
Type: Grant
Filed: Oct 29, 2024
Date of Patent: Nov 11, 2025
Assignee: Assa Abloy Chile SpA (Santiago)
Inventor: Ricardo Toledo (Santiago)
Primary Examiner: Lauren R Calve
Application Number: 29/970,536
Type: Grant
Filed: Oct 29, 2024
Date of Patent: Nov 11, 2025
Assignee: Assa Abloy Chile SpA (Santiago)
Inventor: Ricardo Toledo (Santiago)
Primary Examiner: Lauren R Calve
Application Number: 29/970,536
Classifications
Current U.S. Class:
D8/310