Core drill attachment

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Description

2.1 : Back

2.2 : Front

2.3 : Top

2.4 : Right

2.5 : Bottom

View 2.1 : back view of core drill attachment; 2.2 front view thereof; 2.3 top view thereof; 2.4 right view thereof; 2.5 bottom view thereof.

Claims

The ornamental design for a core drill attachment, as shown and described.

Referenced Cited
U.S. Patent Documents
D466139 November 26, 2002 Kim
D620035 July 20, 2010 Eades
D644327 August 30, 2011 Singh
D752662 March 29, 2016 Hoop
D831082 October 16, 2018 Hoop
20060137889 June 29, 2006 Hanke
20170152711 June 1, 2017 Boswell
20200332843 October 22, 2020 Hollander
Patent History
Patent number: D921072
Type: Grant
Filed: May 17, 2018
Date of Patent: Jun 1, 2021
Inventor: Kjell Andersson (Kil)
Primary Examiner: Richard E Chilcot
Application Number: 35/505,675
Classifications
Current U.S. Class: Drilling (7) (D15/132)