Multi-layer grinding disc

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Description

FIG. 1 is a front, top, right side perspective view of a multi-layer grinding disc, showing our new design;

FIG. 2 is a back, bottom, left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings depict portions of the multi-layer grinding disc that form no part of the claimed design.

Claims

The ornamental design for a multi-layer grinding disc, as shown and described.

Referenced Cited
U.S. Patent Documents
2150886 March 1939 Van Der Pyl
D285930 September 30, 1986 Olovsson
D708235 July 1, 2014 Wiand
D828134 September 11, 2018 Gravina
D862537 October 8, 2019 Larose
D876194 February 25, 2020 Jung
D913979 March 23, 2021 Babu
D920400 May 25, 2021 Saito
D921058 June 1, 2021 Baker
D930722 September 14, 2021 Kremerman
D944606 March 1, 2022 Hansen
D1016110 February 27, 2024 Suzuki
20030154658 August 21, 2003 Salmon
20130217315 August 22, 2013 Wiand
20180193981 July 12, 2018 Schuster
20190299366 October 3, 2019 Aikawa
20200361063 November 19, 2020 Litkey
20210161628 June 3, 2021 Crittenden
20230173634 June 8, 2023 Lin
20240217066 July 4, 2024 Suzuki
20240278384 August 22, 2024 Nunziata
Other references
  • [6 Inch Diamond Grinding Disc], available in Amazon.com, date first available Jun. 7, 2021 [online], [site visited Jun. 14, 2025], Available from the internet URL: https://www.amazon.com/Diamond-Grinding-Wheels-Sharpening-Processing/dp/B096RBT3YJ (Year: 2021).
  • [Workpro 20-Pack Cut-Off Wheels], available in Amazon.com, date first available Aug. 14, 2019 [online], [site visited Jun. 14, 2025], Available from the internet URL: https://www.amazon.com/WORKPRO-20-pack-Cut-Off-Stainless-Cutting/dp/B07WGSK4V7/ref=sr_1_35 (Year: 2019).
  • [Wool Felt Disc Polishing Buffing Wheel Pad], available in Amazon.com, date first available Sep. 16, 2019 [online], [site visited Jun. 14, 2025], Available from the internet URL: https://www.amazon.com/dp/B07XXZDW59/ref=sspa_dk_detail_4 (Year: 2019).
  • [Grinding Discs Wheel for Angle Grinder], available in ebay.com, last updated Jun. 14, 2025 [online], [site visited Jun. 14, 2025], Internet URL: https://www.ebay.co.uk/itm/234516235175 (Year: 2025).
Patent History
Patent number: D1089335
Type: Grant
Filed: Feb 10, 2025
Date of Patent: Aug 19, 2025
Assignee: ZHENGZHOU ANXIN ABRASIVES CO., LTD (Zhengzhou)
Inventors: Yi'an Fan (Zhengzhou), Zhengyang Feng (Zhengzhou), Hongying Jia (Zhengzhou), Weifeng Shao (Zhengzhou)
Primary Examiner: Messina L Smith
Assistant Examiner: Kaitlyn G Wiltshire
Application Number: 29/989,136
Classifications
Current U.S. Class: Element Or Attachment (D15/126)