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United States Patent D794,787
Kheradpir ,   et al. August 15, 2017

Calibration block


CLAIM We claim the ornamental design for a calibration block, as shown and described.
Inventors: Kheradpir; Leila (Toronto, CA), Lau; William Wai-Leung (Toronto, CA), Sela; Gal (Toronto, CA), Witcomb; Neil (Toronto, CA)
Name City State Country Type

Kheradpir; Leila
Lau; William Wai-Leung
Sela; Gal
Witcomb; Neil



Appl. No.: D/506,602
Filed: October 17, 2014

Current U.S. Class: D24/140
Current International Class: 2402
Field of Search: ;D24/140,133,137,138

References Cited [Referenced By]

U.S. Patent Documents
D221113 July 1971 Kurtz et al.
D247822 May 1978 Hein
4373267 February 1983 Lycan
D352111 November 1994 Watkins
D355254 February 1995 Krafft
5647371 July 1997 White, Jr.
8449547 May 2013 Axelson, Jr.
D694884 December 2013 Mooradian
8808298 August 2014 Raub
9339226 May 2016 van der Walt
D761959 July 2016 Wapler
2005/0203528 September 2005 Couture
2009/0248044 October 2009 Amiot
Foreign Patent Documents
D1332836 Jun 2008 JP

Other References

USOC Medical. <URL: http://www.usocmedical.com/product/calibration-block-oem-compatible-3531-- 7/>. Visited Aug. 1, 2016. Calibration Block. cited by examiner .
Product Webpage "Stryker Calibration Tool", http://www.labx.com/item/stryker-calibration-tool/LV32572128, retrieved on Jan. 15, 2015. cited by applicant .
Brochure, "Stryker Navigation System: The Smarter Version", Stryker Leibinger Inc., http://www.stryker.com.br/arquivos/navmultimodular.pdf, retrieved on Jan. 15, 2015. cited by applicant.

Primary Examiner: Eland; Bridget L
Assistant Examiner: McVey; Lauren
Attorney, Agent or Firm: Perry + Currier Inc.


FIG. 1 is a front perspective view of a calibration block, showing our new design;

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

FIG. 8 is a right side elevation view thereof; and,

FIG. 9 is a second front perspective view thereof, shown with environment.

The broken lines are directed to environment and form no part of the claimed design.

The wire frame lines shown throughout the views are intended to indicate surface contour.

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