Calibration block

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Description

FIG. 1 is a left side elevation view of the calibration block;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a side perspective view thereof.

Claims

The ornamental design for a calibration block, as shown and described.

Referenced Cited
U.S. Patent Documents
3908278 September 1975 Sundahl
D331025 November 17, 1992 Friddell
D462018 August 27, 2002 Markle
D462282 September 3, 2002 Salvagno
D528931 September 26, 2006 Serpa
D692785 November 5, 2013 Pirayesh
9097506 August 4, 2015 Shapiro
9958248 May 1, 2018 Laemmer
20150168120 June 18, 2015 Cupertino
Patent History
Patent number: D881728
Type: Grant
Filed: Oct 26, 2018
Date of Patent: Apr 21, 2020
Assignee: HOLLOWAY NDT & ENGINEERING INC. (Georgetown)
Inventor: Paul Holloway (Georgetown)
Primary Examiner: Antoine Duval Davis
Application Number: 29/668,083
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)