Heat-resistant tube for vertical heat treatment equipment

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

FIG. 1 is a perspective view of a heat-resistant tube for vertical heat treatment equipment showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a cross-sectional view taken along the line 5-5 in FIG. 3.

The rear view, the right side view, and the left side view of the heat-resistant tube for vertical heat treatment equipment are the same as the front view and thus are omitted. The cross-sectional view of FIG. 5 shows the cross-hatched internal regions, which do not form part of the claimed design.

Claims

The ornamental design for a heat-resistant tube for vertical heat treatment equipment as shown and described.

Referenced Cited
U.S. Patent Documents
2818084 December 1957 Tennison, Jr.
4655968 April 7, 1987 Queiser
D591407 April 28, 2009 Youssef
D712013 August 26, 2014 Mather
D723667 March 3, 2015 Locke
D798423 September 26, 2017 Aubin
D900983 November 3, 2020 Leung
D962398 August 30, 2022 Barreto
D967941 October 25, 2022 Osterhouse
D1013126 January 30, 2024 Hendricks
D1031948 June 18, 2024 Clevenger
D1051305 November 12, 2024 Yoo
20050063893 March 24, 2005 Ayala
20120204992 August 16, 2012 Park
20160304349 October 20, 2016 Pascazio et al.
20180185805 July 5, 2018 Suzuki
20220371898 November 24, 2022 Muck
20240357711 October 24, 2024 May
20240410651 December 12, 2024 Park
Foreign Patent Documents
113587643 November 2021 CN
H03183608 August 1991 JP
2015117175 June 2015 JP
2015189645 November 2015 JP
2016204252 December 2016 JP
2017001923 January 2017 JP
2021147259 September 2021 JP
Other references
  • “Notification of Reasons for Refusal of Japan Counterpart Application No. 2023-012589”, issued on Apr. 2, 2024, with English translation thereof, p. 1-p. 4.
  • “Decision to Reject of Japan Counterpart Application No. 2023-012589”, issued on Sep. 3, 2024, with English translation thereof, p. 1-p. 6.
Patent History
Patent number: D1079931
Type: Grant
Filed: Nov 22, 2023
Date of Patent: Jun 17, 2025
Assignee: NIPPON ELECTRODE CO., LTD. (Shizuoka Pref.)
Inventors: Hironaga Suzuki (Shizuoka Pref.), Yuichi Kaba (Shizuoka Pref.), Shinjiro Toda (Shizuoka Pref.), Takayuki Yatsu (Shizuoka Pref.), Satoshi Mitamura (Shizuoka Pref.), Fusataka Isobe (Shizuoka Pref.), Masayoshi Sakurai (Shizuoka Pref.)
Primary Examiner: George J Ulsh
Assistant Examiner: Andrea Marie McKay
Application Number: 29/917,966
Classifications
Current U.S. Class: Heating Or Cooling (D23/314)