Door security bar
Description
The broken lines depict portions of the door security bar and form no part of the claimed design.
Claims
The ornamental design for a door security bar as shown and described.
Referenced Cited
U.S. Patent Documents
| 1944783 | January 1934 | Ciriacy |
| D230701 | March 1974 | Davis |
| D632946 | February 22, 2011 | Hartgens |
| D789176 | June 13, 2017 | Bruce |
| D823664 | July 24, 2018 | Workman |
| D1024233 | April 23, 2024 | Cheng |
| D1052995 | December 3, 2024 | Liang |
| D1116801 | March 10, 2026 | Zhang |
| 20230228136 | July 20, 2023 | Prodehl |
| 20240384579 | November 21, 2024 | Wang |
| 20250207442 | June 26, 2025 | Yang |
| 20260042368 | February 12, 2026 | Screnci, Jr. |
Patent History
Patent number: D1147840
Type: Grant
Filed: Aug 19, 2025
Date of Patent: Sep 15, 2026
Inventor: Boxi Chen (Shenyang)
Primary Examiner: Justin M Jonaitis
Assistant Examiner: Benjamin M Weeks
Application Number: 30/018,910
Type: Grant
Filed: Aug 19, 2025
Date of Patent: Sep 15, 2026
Inventor: Boxi Chen (Shenyang)
Primary Examiner: Justin M Jonaitis
Assistant Examiner: Benjamin M Weeks
Application Number: 30/018,910
Classifications
Current U.S. Class:
D8/402