Powder sifter

- Formlabs, Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top, front, left side perspective view of a powder sifter according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom, front, right side view thereof.

The dash-dash broken lines illustrate portions of the powder sifter that form no part of the claimed design. The dot-dash broken lines represent boundaries of the claimed design and form no part of the claimed design.

The diagonal shading represents a transparent or translucent appearance.

Claims

The ornamental design for a powder sifter, as shown and described.

Referenced Cited
U.S. Patent Documents
2163766 June 1939 Spencer
2369396 February 1945 Higginbotham
2721779 October 1955 Fulkerson
D250196 November 7, 1978 Caccioli
4300318 November 17, 1981 Brown
D273195 March 27, 1984 Ferdinand
4603925 August 5, 1986 Cuevas-Cumming
D286643 November 11, 1986 Carney
D303439 September 12, 1989 Savio
5143102 September 1, 1992 Blaul
D415923 November 2, 1999 Hermansson
6878046 April 12, 2005 Publ
D627592 November 23, 2010 Wen
D844377 April 2, 2019 Kacalek
D882651 April 28, 2020 Moser
D907077 January 5, 2021 Gjovik
20020168924 November 14, 2002 Visaisouk
20070034613 February 15, 2007 Lundberg
20080185365 August 7, 2008 Yang
20080278041 November 13, 2008 Lloyd
20080315738 December 25, 2008 Tan
20160001420 January 7, 2016 Robinson
20160023491 January 28, 2016 Vellutato, Jr.
20170276395 September 28, 2017 Nyhof
20180164147 June 14, 2018 Liebsch
20190134669 May 9, 2019 Mack
20200254689 August 13, 2020 Gjovik
Other references
  • Formlabs, Fuse Sift “All-In-One Powder Recovery for the Fuse 1”, (site visited May 6, 2021), Formlabs.com, URL:<https://formlabs.com/post-processing/fuse-sift/> (Year: 2021).
  • Sinterit, Powder Sieve, (site visited May 7, 2021), Sinterit.com, URL:<https://www.sinterit.com/powder-sieve/> (Year: 2021).
  • Reches et al., Powder Sifter, U.S. Appl. No. 29/739,152, filed Jun. 23, 2020.
  • [No Author Listed], Fuse Sift. All-In-One Powder Recovery for the Fuse 1. Formlabs. 2021. 15 pages. URL:https://formlabs.com/post-processing/fuse-sift [retrieved May 6, 2021].
  • [No Author Listed], Powder Sieve—Sinterit—Manufacturer of high quality desktop SLS 3D printers. 2021. 8 pages. URL:https://www.sinterit.com/powder-sieve [retrieved May 7, 2021].
Patent History
Patent number: D934313
Type: Grant
Filed: May 7, 2019
Date of Patent: Oct 26, 2021
Assignee: Formlabs, Inc. (Somerville, MA)
Inventors: Yoav Reches (Cambridge, MA), John Ouchterlony (Cambridge, MA), Kat Ely (Somerville, MA), Adam Lebovitz (Cambridge, MA), Brian Chan (Cambridge, MA), Ian Ferguson (Cambridge, MA)
Primary Examiner: Sheryl Lane
Assistant Examiner: Mark T. Philipps
Application Number: 29/690,390