Doubleheaded handheld power tool for grinding drilling screwing and other operations on workpieces

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

1. Double-headed hand-held power tool for grinding, drilling, screwing, and other operations on workpieces

1.1 : Perspective

1.2 : Perspective

1.3 : Front

1.4 : Back

1.5 : Left

1.6 : Right

1.7 : Top

1.8 : Bottom

A double-headed hand-held power tool is used for grinding, drilling, screwing, and other operations on workpieces; the broken lines in the drawings depict portions of the double- headed hand-held power tool that form no part of the claimed design.

Claims

The ornamental design for a double-headed hand-held power tool for grinding, drilling, screwing, and other operations on workpieces, as shown and described.

Referenced Cited
U.S. Patent Documents
D136743 November 1943 Little
D154713 August 1949 Robillard
D275444 September 11, 1984 Totsu
4751138 June 14, 1988 Tumey
D301496 June 6, 1989 Yonesawa
5681217 October 28, 1997 Hoopman
D403936 January 12, 1999 Somers
6059850 May 9, 2000 Lise
D443491 June 12, 2001 Robson
D459180 June 25, 2002 Morgan
D476542 July 1, 2003 Chunn
D548558 August 14, 2007 Murray
D576854 September 16, 2008 Aglassinger
D582742 December 16, 2008 Aglassinger
D586637 February 17, 2009 Tirone
D606827 December 29, 2009 Fritz
D688109 August 20, 2013 Vanderbeek
D703017 April 22, 2014 Concari
D849494 May 28, 2019 Feuerstein
D898533 October 13, 2020 Lundbaeck
D904461 December 8, 2020 Konantambigi
D915468 April 6, 2021 Konantambigi
D927278 August 10, 2021 Zhong
D970327 November 22, 2022 Sun
20080257577 October 23, 2008 Tanaka
Patent History
Patent number: D996178
Type: Grant
Filed: Oct 28, 2022
Date of Patent: Aug 22, 2023
Inventors: Jian Zhang (Qidong), Hongjian Fei (Qidong), Jiaming Lin (Qidong)
Primary Examiner: Austin Murphy
Application Number: 35/515,642
Classifications
Current U.S. Class: D8/61