Powder sifter

- Formlabs, Inc.
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Description

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

FIG. 2 is a top, front, left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

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

FIG. 8 is a bottom plan view thereof.

Any dash-dash broken lines illustrate portions of the powder sifter that 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
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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).
Patent History
Patent number: D978931
Type: Grant
Filed: Jan 24, 2022
Date of Patent: Feb 21, 2023
Assignee: Formlabs, Inc. (Somerville, MA)
Inventors: Yoav Reches (Cambridge, MA), John E. Ouchterlony (Cambridge, MA), Brian Chan (Cambridge, MA), Kat Ely (Somerville, MA), Adam Lebovitz (Cambridge, MA)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/824,278