String trimmer head

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Description

1. String trimmer head

1.1 : Perspective

1.2 : Perspective

1.3 : Front

1.4 : Back

1.5 : Left

1.6 : Right

1.7 : Top

1.8 : Bottom

The broken lines in the reproductions illustrate portions of the string trimmer head and form no part of the claimed design.

Claims

The ornamental design for a string trimmer head, as shown and described.

Referenced Cited
U.S. Patent Documents
D496840 October 5, 2004 Iacona
D532263 November 21, 2006 Iacona
D831447 October 23, 2018 Cigarini
D990997 July 4, 2023 Du
D1000232 October 3, 2023 Du
20090172955 July 9, 2009 Morris
20140150267 June 5, 2014 Sowell
20200236847 July 30, 2020 Nolin
20230345869 November 2, 2023 Iacona
Foreign Patent Documents
6224543 September 2022 GB
6331236 December 2023 GB
WOD224025-001 October 2022 WO
WOD224026-001 October 2022 WO
WOD227835-001 April 2023 WO
WOD227836-001 April 2023 WO
WOD227839-001 April 2023 WO
Other references
  • Thten RS-136 Trimmer Spool Line: See Attached Appendix “Notice of References Cited—Continuation Sheet of Non-Patent Documents”.
  • Thten DF-065 90517175 Trimmer Blades Head: See Attached Appendix “Notice of References Cited—Continuation Sheet of Non-Patent Documents”.
  • Eyoloty KST-120X Trimmer Replacement Spool: See Attached Appendix “Notice of References Cited—Continuation Sheet of Non-Patent Documents”.
  • Thten WA0014 Trimmer Blades Head: See Attached Appendix “Notice of References Cited—Continuation Sheet of Non-Patent Documents”.
  • Kaberalty WA0007 Trimmer Head Blade+Spool line: See Attached Appendix “Notice of References Cited—Continuation Sheet of Non-Patent Documents)”.
Patent History
Patent number: D1031391
Type: Grant
Filed: Mar 23, 2023
Date of Patent: Jun 18, 2024
Inventor: Yu Du (Wuhan)
Primary Examiner: Sheryl Lane
Assistant Examiner: Ieisha N Price
Application Number: 35/516,799
Classifications
Current U.S. Class: D8/8