Microtrenching blade and tooth

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Description

FIG. 1 is a side view of a microtrenching blade showing our new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a close-up top view thereof;

FIG. 4 is a close-up side view thereof;

FIG. 5 is a side view of a cutting tooth used with the microtrenching blade of FIG. 1;

FIG. 6 is a front view of the cutting tooth shown in FIG. 5;

FIG. 7 is a top view of the cutting tooth shown in FIG. 5; and,

FIG. 8 is a perspective view of the cutting tooth shown in FIG. 5.

The pattern repeats uniformly throughout the circumference of the blade. The broken line in the figure drawings represents unclaimed environment only and forms no part of the claimed design.

Claims

The ornamental design for a micro trenching blade and tooth, as shown and described herein.

Referenced Cited
U.S. Patent Documents
D283784 May 13, 1986 Croydon
D293074 December 8, 1987 Inoue
D296980 August 2, 1988 Chaconas
D382786 August 26, 1997 Achterberg
D382787 August 26, 1997 Gakhar
D383368 September 9, 1997 Achterberg
D459171 June 25, 2002 Hong
8375605 February 19, 2013 Ruhl et al.
D677290 March 5, 2013 Brutscher
8806784 August 19, 2014 Ruhl et al.
D716355 October 28, 2014 Lizzi
D724124 March 10, 2015 Vicchio
20140345169 November 27, 2014 Ruhl et al.
20150218777 August 6, 2015 Sewell et al.
Other references
  • https://www.amazon.com/Freud-D0760X-Diablo-Finish-4-Inch/dp/B001CZEU0S/—Available as early as Apr. 3, 2007.
  • https://www.amazon.com/DEWALT-DW9196-Cutting-Precision-Finishing/dp/B00697YQIU/—Available as early as Nov. 17, 2011.
  • https://www.amazon.com/Tools-MARATHON-Carbide-Circular-24030/dp/B000067O0G/—Available as early as May 13, 2002.
Patent History
Patent number: D796291
Type: Grant
Filed: Mar 24, 2016
Date of Patent: Sep 5, 2017
Assignee: The Charles Machines Works, Inc. (Perry, OK)
Inventors: Cody L. Sewell (Perry, OK), Michael C. Walgren (Lake Havasu City, AZ)
Primary Examiner: Manpreet Matharu
Assistant Examiner: Mojtaba Tehrani
Application Number: 29/559,141
Classifications
Current U.S. Class: D8/66; Sawing (includes Element) (D15/133)