Curtain opener
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Description
The broken lines in the drawings illustrate the portions of the curtain opener, which form no part of the claimed design.
Claims
The ornamental design for a curtain opener, as shown and described.
Referenced Cited
U.S. Patent Documents
| 1833452 | November 1931 | Baumbach |
| D185673 | July 1959 | Lind |
| D359410 | June 20, 1995 | Domel |
| D557210 | December 11, 2007 | Liu |
| D953987 | June 7, 2022 | Peng |
| D961526 | August 23, 2022 | Tan |
| D1014129 | February 13, 2024 | Hong |
| 20140008028 | January 9, 2014 | Rastegar |
| 20150041079 | February 12, 2015 | Sourain |
| 20190150651 | May 23, 2019 | Pham |
| 20220265076 | August 25, 2022 | Hou |
| 20230157474 | May 25, 2023 | Chen |
Patent History
Patent number: D1053603
Type: Grant
Filed: Feb 23, 2023
Date of Patent: Dec 10, 2024
Assignee: (Shenzhen)
Inventor: Bin Liu (Shenzhen)
Primary Examiner: Clare Ann Gannon
Application Number: 29/871,577
Type: Grant
Filed: Feb 23, 2023
Date of Patent: Dec 10, 2024
Assignee: (Shenzhen)
Inventor: Bin Liu (Shenzhen)
Primary Examiner: Clare Ann Gannon
Application Number: 29/871,577
Classifications
Current U.S. Class:
D6/580