Tandem sub

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

FIG. 1 is a first perspective view of a tandem sub, showing my new design.

FIG. 2 is second perspective view of the tandem sub of FIG. 1 shown from a different angle, and from an end opposite that of FIG. 9.

FIG. 3 is a top, plan view of the tandem sub of FIGS. 1 and 2.

FIG. 4 is a is a bottom plan view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a front plan view of the tandem sub of FIG. 1; and,

FIG. 8 is a rear plan view thereof.

The broken lines in the drawings depict portions of the tandem sub that form no part of the claimed design.

Claims

The ornamental design for a tandem sub as shown and described.

Referenced Cited
U.S. Patent Documents
4182216 January 8, 1980 DeCaro
5042594 August 27, 1991 Gonzalez
5392851 February 28, 1995 Arend
D417252 November 30, 1999 Kay
7278491 October 9, 2007 Scott
8136439 March 20, 2012 Bell
8770301 July 8, 2014 Bell
10273788 April 30, 2019 Bradley
10472938 November 12, 2019 Parks
D873373 January 21, 2020 Hartman
D903064 November 24, 2020 Mulhern
D904475 December 8, 2020 Preiss
D908754 January 26, 2021 Eitschberger
10899680 January 26, 2021 Löhken
D920402 May 25, 2021 Eitschberger
D922541 June 15, 2021 Mulhern
D947253 March 29, 2022 Sullivan
D950611 May 3, 2022 Sullivan
D962297 August 30, 2022 Sullivan
20080110632 May 15, 2008 Beall
20130043074 February 21, 2013 Tassaroli
20160202033 July 14, 2016 Shahinpour
20160273902 September 22, 2016 Eitschberger
20160298404 October 13, 2016 Beckett
20170211363 July 27, 2017 Bradley
20170268860 September 21, 2017 Eitschberger
20190153827 May 23, 2019 Goyeneche
20200063537 February 27, 2020 Langford
20200088011 March 19, 2020 Eitschberger
20200182025 June 11, 2020 Brady
20200284104 September 10, 2020 Holmberg
20200300593 September 24, 2020 Sullivan
20200308939 October 1, 2020 Sullivan
20200378737 December 3, 2020 Loehken
20210055092 February 25, 2021 Sullivan
20210156231 May 27, 2021 Sullivan
20210207934 July 8, 2021 Sullivan
20220099423 March 31, 2022 Sullivan
Foreign Patent Documents
WO-2024038108 February 2024 WO
Other references
  • https://nbguangway.en.made-in-china.com/product/YJTUqtHABlpD/China-Perforating-Gun-Bullet-Tandem-Sub-for-Perforating-Gun-Joints.html (Year: 2025).
Patent History
Patent number: D1078807
Type: Grant
Filed: Jun 20, 2023
Date of Patent: Jun 10, 2025
Assignee: XConnect, LLC (Denver, CO)
Inventor: Shelby L. Sullivan (Minot, ND)
Primary Examiner: Patricia A Palasik
Application Number: 29/878,313