Leg extension machine

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Description

FIG. 1 is a front elevation view of a leg extension machine showing the new design;

FIG. 2 is a back elevation view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

Claims

The ornamental design for a leg extension machine, as shown and described.

Referenced Cited
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D907726 January 12, 2021 Gluba
D1017736 March 12, 2024 Henniger
D1036583 July 23, 2024 Gu
D1039076 August 13, 2024 Tong
D1054510 December 17, 2024 Davis
D1060537 February 4, 2025 Huang
D1065380 March 4, 2025 Pritchett
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D1086323 July 29, 2025 Wang
D1095707 September 30, 2025 Gluba
20160199688 July 14, 2016 Briley
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Other references
  • Bluslm, announced 2023 [online], [site visited Oct. 8, 2025]. Available on internet, URL:https://www.amazon.com/Extension-Equipment-Adjustable-Attachment-Training/dp/B0CJND4MNV?th=1 (Year: 2023).
  • Ahtapfon, announced 2023 [online], [site visited Oct. 8, 2025]. Available on internet, URL:https://www.amazon.com/dp/B0CQ7RT4S7?th=1 (Year: 2023).
  • “Aupract Seated Leg Extension and Curl Machine”. Found online Nov. 7, 2023 at amazon.com. Reference dated Jul. 18, 2023. Retrieved from https://www.amazon.com/AUPRACT-Adjustable-Attachment-Extensions-Accessories/dp/B0C49TYQDM/ref=sr_1_1?keywords=leg%2Bextension%2Band%2Bcurl%2Bmachine%2Battachment&qid=1698737893&sr=8-1&th=1. Year: 2023). The publisher of the above publication is the inventor, Mengyao Sun.
Patent History
Patent number: D1112549
Type: Grant
Filed: Nov 7, 2023
Date of Patent: Feb 10, 2026
Inventor: Mengyao Sun (Rizhao)
Primary Examiner: Khawaja Anwar
Assistant Examiner: Julice Seung Eun Oum
Application Number: 29/915,973
Classifications
Current U.S. Class: Element Or Attachment (D21/694)