Hairpin
Description
Claims
The ornamental design for a hairpin, as shown and described.
Referenced Cited
U.S. Patent Documents
1946561 | February 1934 | Widerman |
2459452 | January 1949 | Reiner |
2467487 | April 1949 | Leon |
2505719 | April 1950 | Peck |
D167766 | September 1952 | Olevin |
2638908 | May 1953 | Schildt |
2767720 | October 1956 | Harridge |
2849008 | August 1958 | Otten |
3101725 | August 1963 | Reiner |
3213509 | October 1965 | Reiner |
3213865 | October 1965 | Jennis |
3250282 | May 1966 | Thatcher |
3983887 | October 5, 1976 | Chan |
Patent History
Patent number: D981643
Type: Grant
Filed: Oct 24, 2020
Date of Patent: Mar 21, 2023
Inventor: Zhongzhi Chen (Hubei)
Primary Examiner: Zenia I Bennett
Application Number: 29/756,016
Type: Grant
Filed: Oct 24, 2020
Date of Patent: Mar 21, 2023
Inventor: Zhongzhi Chen (Hubei)
Primary Examiner: Zenia I Bennett
Application Number: 29/756,016
Classifications
Current U.S. Class:
Spring Clip Type (D28/40)