Cleaning machine

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Description

FIG. 1 is a first perspective view of a cleaning machine showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the cleaning machine that form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
2989756 June 1961 Gaston
D223009 February 1972 Garfinkle et al.
D242330 November 1976 Strickler et al.
D251235 March 6, 1979 Joss
D260973 September 29, 1981 Lawing
D339538 September 21, 1993 Fellmann
D682490 May 14, 2013 Goetzke
D683503 May 28, 2013 Helm
D862814 October 8, 2019 Chang
20200238348 July 30, 2020 Wang
Foreign Patent Documents
305956382 July 2020 CN
Other references
  • Kingkar DPF Cleaning machine operation video, announced in YouTube on May 28, 2020 [online], [site visited Apr. 20, 2022], Available from the internet URL: https://www.youtube.com/watch?v=E7korg0q6IU (Year: 2020).
  • Exodus workstation, available in https://www.nature.com/, announced Jan. 11, 2021 [online], [site visited Apr. 20, 2022], Internet URL: https://www.nature.com/articles/s41592-020-01034-x/figures/1 (Year: 2021).
Patent History
Patent number: D974679
Type: Grant
Filed: Dec 25, 2019
Date of Patent: Jan 3, 2023
Inventor: Liang Chen (Hangzhou)
Primary Examiner: Jennifer Rivard
Assistant Examiner: Jennylou M Binas
Application Number: 29/718,497
Classifications