Polishing machine
Description
The broken lines depict 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
Other references
D757136 | May 24, 2016 | Yu |
D940763 | January 11, 2022 | Zhao |
20200391339 | December 17, 2020 | Gedlick |
20210260717 | August 26, 2021 | Gedlick |
- National Geographic Hobby Rock Tumbler Kit, available in Amazon.com, date first available date [Aug. 7, 2017], [Jul. 11, 2022], Available from the internet URL: https://www.amazon.com/National-Geographic-Hobby-Rock-Tumbler/dp/B01LQCIL88/ref=sr_1_2?crid=1LC7KY6O571C1&keywords=national%2Bgeographic%2Bhobby%2 (Year: 2017).
- Nature Bound Starter Rock Tumbler Kit, available in Amazon.com, date first available date [Nov. 12, 2019], [Jul. 11, 2022], Available from the internet URL: https://www.amazon.com/Starter-Gemstones-Polishing-Fastenings-Instructions/dp/B081DQ1T35/ref=sr_1_2?crid=OPVUMDO0CD75&keywords=nature+bound+rock+tumble (Year: 2019).
Patent History
Patent number: D994730
Type: Grant
Filed: Sep 2, 2020
Date of Patent: Aug 8, 2023
Assignee: Nature Exploration (Guangzhou) Technology Co., Ltd. (Guangdong)
Inventor: Xiaoling Cai (Fujian)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Eidiol Ghigliotty Torres
Application Number: 29/749,101
Type: Grant
Filed: Sep 2, 2020
Date of Patent: Aug 8, 2023
Assignee: Nature Exploration (Guangzhou) Technology Co., Ltd. (Guangdong)
Inventor: Xiaoling Cai (Fujian)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Eidiol Ghigliotty Torres
Application Number: 29/749,101
Classifications
Current U.S. Class:
Abrading (D15/124)