Screwdriver
Description
The broken line showing of the bit in
Claims
The ornamental design for a screwdriver, as shown and described.
Referenced Cited
U.S. Patent Documents
| D182133 | February 1958 | MacMinn |
| D341763 | November 30, 1993 | Espin |
| 5337637 | August 16, 1994 | Bih-Lien |
| D416777 | November 23, 1999 | Swenson, Sr. |
| D425387 | May 23, 2000 | Shiao |
| 6202512 | March 20, 2001 | O'Brien |
| 6250183 | June 26, 2001 | Chiang |
| D449506 | October 23, 2001 | Haung |
| 7052128 | May 30, 2006 | Kung-Ping |
| D679811 | April 9, 2013 | Hahn |
| D694406 | November 26, 2013 | Hahn |
| 8621961 | January 7, 2014 | Burch |
| D706105 | June 3, 2014 | Wu |
| D709751 | July 29, 2014 | Wu |
| 10850382 | December 1, 2020 | Ragner |
| 20090016801 | January 15, 2009 | Liu |
| 20120031239 | February 9, 2012 | Hu |
| 20130118322 | May 16, 2013 | Seber |
| 20170120427 | May 4, 2017 | Tsai |
| 20210354282 | November 18, 2021 | Lin |
Patent History
Patent number: D989590
Type: Grant
Filed: Nov 20, 2021
Date of Patent: Jun 20, 2023
Assignee: SHANGHAI HOTO TECHNOLOGY CO., LTD. (Shanghai)
Inventors: Lidan Liu (Shanghai), Xiaodong Liu (Shanghai), Fei Lei (Shanghai)
Primary Examiner: Philip S Hyder
Application Number: 29/816,305
Type: Grant
Filed: Nov 20, 2021
Date of Patent: Jun 20, 2023
Assignee: SHANGHAI HOTO TECHNOLOGY CO., LTD. (Shanghai)
Inventors: Lidan Liu (Shanghai), Xiaodong Liu (Shanghai), Fei Lei (Shanghai)
Primary Examiner: Philip S Hyder
Application Number: 29/816,305
Classifications
Current U.S. Class:
D8/82