Powder sifter
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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.
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- 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].
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