Polishing machine
Description
The broken lines shown in the drawings are included for the purpose of illustrating portions of the polishing machine that form no part of the claimed design.
Claims
The ornamental design for a polishing machine, as shown and described.
Referenced Cited
U.S. Patent Documents
D49623 | September 1916 | Robinson |
1198646 | September 1916 | Maddox |
D134893 | January 1943 | Redd |
D148077 | December 1947 | Leach |
2454597 | November 1948 | Delafontaine |
D156915 | January 1950 | Pow |
D170559 | October 1953 | Thompson |
D180549 | July 1957 | Ernest |
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D214805 | July 1969 | Averille |
D228616 | October 1973 | Tomo |
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D957482 | July 12, 2022 | Li |
Patent History
Patent number: D1019722
Type: Grant
Filed: Sep 2, 2021
Date of Patent: Mar 26, 2024
Inventor: Tianming Li (Jiangsu)
Primary Examiner: Leanne Was-Englehart
Application Number: 29/806,458
Type: Grant
Filed: Sep 2, 2021
Date of Patent: Mar 26, 2024
Inventor: Tianming Li (Jiangsu)
Primary Examiner: Leanne Was-Englehart
Application Number: 29/806,458
Classifications
Current U.S. Class:
Abrading (D15/124)