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United States Patent D819,131
Wei May 29, 2018

3D printing pen


CLAIM The ornamental design for a 3D printing pen, as shown and described.
Inventors: Wei; Honghui (Zhejiang, CN)
Name City State Country Type

Wei; Honghui



Assignee: Wei; Honghui (Yuyao, CN)
Appl. No.: D/581,866
Filed: October 23, 2016

Current U.S. Class: D19/179; D19/934
Current International Class: 1906
Field of Search: ;D14/411 ;D19/115-204 ;D28/7,76,88

References Cited [Referenced By]

U.S. Patent Documents
D210066 February 1968 Johnson
D441267 May 2001 Heun
D500790 January 2005 Jaakkola
7310881 December 2007 Ohuka
D619579 July 2010 Flores Rodrigues Vieira
D641222 July 2011 Molina
D670698 November 2012 Ahman
D686621 July 2013 Pawlus
D690303 September 2013 Avery
9161604 October 2015 Nakamura
D760838 July 2016 Wiseman
D766371 September 2016 Wiseman
D771047 November 2016 Martindale
D783617 April 2017 Chrenka
D801431 October 2017 Kao
2008/0063284 March 2008 Byler
Primary Examiner: Albert; Elizabeth
Attorney, Agent or Firm: ScienBiziP, P.C.


FIG. 1 is a perspective view of a 3D printing pen, showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left view thereof.

FIG. 5 is a right view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

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