Powder sifter

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

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

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Inventors:	Reches; Yoav (Cambridge, MA), Ouchterlony; John (Cambridge, MA), Ely; Kat (Somerville, MA), Lebovitz; Adam (Cambridge, MA), Chan; Brian (Cambridge, MA), Ferguson; Ian (Cambridge, MA)
Applicant:	Name City State Country Type Formlabs, Inc. Somerville MA US
Assignee:	Formlabs, Inc. (Somerville, MA)
Appl. No.:	D/690,390
Filed:	May 7, 2019

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Current U.S. Class:	D15/122
Current International Class:	1509
Field of Search:	;D15/20,21,83,122-125,135,141,141.1,145,147,199 ;D34/1.1 ;D7/339,374,386,667,668 ;D25/33 ;D99/99

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References Cited [Referenced By]

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U.S. Patent Documents

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D844377	April 2019	Kacalek
D882651	April 2020	Moser
D907077	January 2021	Gjovik
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2018/0164147	June 2018	Liebsch
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2020/0254689	August 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). cited by examiner . Sinterit, Powder Sieve, (site visited May 7, 2021), Sinterit.com, URL:<https://www.sinterit.com/powder-sieve/> (Year: 2021). cited by examiner . Reches et al., Powder Sifter, U.S. Appl. No. 29/739,152, filed Jun. 23, 2020. cited by applicant . [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]. cited by applicant . [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]. cited by applicant.

Primary Examiner: Lane; Sheryl
Assistant Examiner: Philipps; Mark T.
Attorney, Agent or Firm: Wolf, Greenfield & Sacks, P.C.