Twisted drill bit tip

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

FIG. 1 is a perspective view of a twisted drill bit tip showing our new design;

FIG. 2 is a front elevation view thereof, to which the rear elevation view is a mirror image;

FIG. 3 is a right side elevation view thereof, to which the left side elevation view is a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged perspective view thereof, wherein the area of enlargement is indicated by the reference circle 6 in FIG. 1;

FIG. 7 is an enlarged front elevation view thereof, wherein the area of enlargement is indicated by the reference circle 7 in FIG. 2; and,

FIG. 8 is an enlarged right side elevation view thereof, wherein the area of enlargement is indicated by the reference circle 8 in FIG. 3.

The dash-dot-dot-dash broken line, of which forms no part of the claimed design, is provided to define the boundary of the claimed design. The even broken line showing of the drill bit is provided for the purpose of illustrating environmental structure and forms no part of the claimed design.

Claims

The ornamental design for a twisted drill bit tip, as shown and described.

Referenced Cited
U.S. Patent Documents
465392 December 1891 Shippee
2230645 February 1941 Jones
3592555 July 1971 Mackey, Sr.
4400119 August 23, 1983 Clement
5011342 April 30, 1991 Hsu
5452971 September 26, 1995 Nevills
6213692 April 10, 2001 Guehring et al.
D682325 May 14, 2013 Monyak
D682326 May 14, 2013 Monyak
D693861 November 19, 2013 Sato
8807887 August 19, 2014 Zhu
8876446 November 4, 2014 Shaheen
8882412 November 11, 2014 Sampath
8882413 November 11, 2014 Hecht
D723076 February 24, 2015 Lampe
D724126 March 10, 2015 Senn
D734790 July 21, 2015 O'Malley
D734791 July 21, 2015 O'Malley
D734792 July 21, 2015 Santamarina
9333564 May 10, 2016 Santamaria et al.
9371701 June 21, 2016 Cox
D796563 September 5, 2017 Sharivker
D797170 September 12, 2017 Sharivker
D798921 October 3, 2017 Frota de Souza Filho
D814536 April 3, 2018 Kawakami
D815672 April 17, 2018 Shikama
D823909 July 24, 2018 Kawakami
D826299 August 21, 2018 Bailleres
10040132 August 7, 2018 Jager
10052698 August 21, 2018 Guter
20140308086 October 16, 2014 Kauper
20170056981 March 2, 2017 Higashiwaki
20170274460 September 28, 2017 Jindai
Patent History
Patent number: D840449
Type: Grant
Filed: Jun 28, 2017
Date of Patent: Feb 12, 2019
Assignee: Gino Development, Inc. (Camarillo, CA)
Inventors: Yuerong Wang (Simi Valley, CA), Hong Wu (Shanghai)
Primary Examiner: Darlington Ly
Application Number: 29/609,175
Classifications