Patent
   D978931
Priority
Jun 23 2020
Filed
Jan 24 2022
Issued
Feb 21 2023
Expiry
Feb 21 2038
Assg.orig
Entity
unknown
4
30
n/a
The ornamental design for a powder sifter, as shown and described.

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.

Reches, Yoav, Ouchterlony, John E., Chan, Brian, Ely, Kat, Lebovitz, Adam

Patent Priority Assignee Title
ER1624,
ER351,
ER5767,
ER8870,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 01 2020LEBOVITZ, ADAMFORMLABS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0591740626 pdf
Dec 04 2020RECHES, YOAVFORMLABS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0591740626 pdf
Dec 04 2020OUCHTERLONY, JOHN E FORMLABS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0591740626 pdf
Dec 04 2020CHAN, BRIANFORMLABS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0591740626 pdf
Apr 03 2021ELY, KATFORMLABS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0591740626 pdf
Jan 24 2022Formlabs, Inc.(assignment on the face of the patent)
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