US 12,280,529 B2
Hand-held three-dimensional drawing device
Peter Dilworth, Somerville, MA (US); and Maxwell Bogue, Hong Kong (HK)
Assigned to WobbleWorks, Inc., Wilmington, DE (US)
Filed by WobbleWorks, Inc., Wilmington, DE (US)
Filed on Sep. 18, 2023, as Appl. No. 18/369,830.
Application 18/369,830 is a continuation of application No. 17/948,089, filed on Sep. 19, 2022, granted, now 11,766,819.
Application 17/948,089 is a continuation of application No. 17/015,004, filed on Sep. 8, 2020, granted, now 11,446,852, issued on Sep. 20, 2022.
Application 17/015,004 is a continuation of application No. 16/103,859, filed on Aug. 14, 2018, granted, now 10,792,850, issued on Oct. 6, 2022.
Application 16/103,859 is a continuation of application No. 15/638,266, filed on Jun. 29, 2017, granted, now 10,046,498, issued on Aug. 14, 2018.
Application 15/638,266 is a continuation of application No. 14/821,399, filed on Aug. 7, 2015, granted, now 9,731,444, issued on Aug. 15, 2017.
Application 14/821,399 is a continuation of application No. 13/831,050, filed on Mar. 14, 2013, granted, now 9,102,098, issued on Aug. 11, 2015.
Claims priority of provisional application 61/733,689, filed on Dec. 5, 2012.
Prior Publication US 2024/0001601 A1, Jan. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 48/02 (2019.01); B29C 48/05 (2019.01); B29C 48/25 (2019.01); B29C 48/37 (2019.01); B29C 48/87 (2019.01); B29C 64/106 (2017.01); B29C 64/118 (2017.01); B29C 64/20 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B05C 17/00 (2006.01); B05C 17/005 (2006.01); B29C 48/80 (2019.01); B29C 48/86 (2019.01); B29C 48/92 (2019.01); B29C 64/00 (2017.01); B29C 64/10 (2017.01); E04F 21/165 (2006.01); E04G 21/16 (2006.01); E04G 23/02 (2006.01)
CPC B29C 48/02 (2019.02) [B29C 48/05 (2019.02); B29C 48/2526 (2019.02); B29C 48/2528 (2019.02); B29C 48/37 (2019.02); B29C 48/87 (2019.02); B29C 64/106 (2017.08); B29C 64/118 (2017.08); B29C 64/20 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B05C 17/00 (2013.01); B05C 17/005 (2013.01); B05C 17/00523 (2013.01); B05C 17/00526 (2013.01); B05C 17/0053 (2013.01); B29C 48/802 (2019.02); B29C 48/865 (2019.02); B29C 48/92 (2019.02); B29C 64/00 (2017.08); B29C 64/10 (2017.08); B29C 2948/9258 (2019.02); B29C 2948/92704 (2019.02); E04F 21/165 (2013.01); E04G 21/16 (2013.01); E04G 23/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a three-dimensional (3D) drawing pen comprising:
a body configured to fit in a user's hand and shaped to allow manipulation of the pen;
sensor supported by the body and configured to control a movement of material along the body; and
a nozzle assembly disposed at a distal end of the body and comprising an extruder and an exit nozzle, the extruder having a heating element for melting the material and permitting the material to be extruded out of the exit nozzle in a solid form that retains its shape against gravity in free space to draw a 3D object.