Low frequency therapy device

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Description

1. Low frequency therapy device

1.1: Front

1.2: Back

1.3: Left

1.4: Right

1.5: Top

1.6: Bottom

1.7: Front perspective view

1.8: Back perspective view

The broken lines illustrate portions of the low frequency therapy device which form no part of the claimed design.

Claims

The ornamental design for a low frequency therapy device as shown and described.

Referenced Cited
U.S. Patent Documents
D350205 August 30, 1994 Yamasaki
D758607 June 7, 2016 Chen
D861904 October 1, 2019 Ho
D864406 October 22, 2019 An
D899610 October 20, 2020 Yang
D907222 January 5, 2021 Xu
D935031 November 2, 2021 Gao
D963869 September 13, 2022 Hsu
D976432 January 24, 2023 Tian
D977123 January 31, 2023 Chen
D995795 August 15, 2023 Li
D1025373 April 30, 2024 Li
D1028254 May 21, 2024 Li
Foreign Patent Documents
201830429898 December 2018 CN
202130040824.2 June 2021 CN
Other references
  • “Kongzee”. Found on amazon.com, dated Oct. 7, 2023. Retrieved Jun. 14, 2025 from URL: https://www.amazon.com/Stimulator-Rechargeable-Electronic-Massager-Electrode/dp/B0CKMWXPRR/r (Year: 2023).
  • “Neocarbon”. Found on amazon.com, dated Dec. 1, 2020. Retrieved Jun. 14, 2025 from URL: https://www.amazon.com/Channel-Stimulator-Electronic-Massager-Electrode/dp/B08PDPN5HV/ (Year: 2020).
Patent History
Patent number: D1104280
Type: Grant
Filed: Aug 6, 2024
Date of Patent: Dec 2, 2025
Inventors: Zhiqing Liu (Tianjin), Lina Wang (Tianjin), Chunpo Liu (Tianjin)
Primary Examiner: Kendra Leslie Hamilton
Assistant Examiner: Michael Hoffman
Application Number: 35/522,380