Patent
   D868995
Priority
Nov 06 2017
Filed
Feb 27 2018
Issued
Dec 03 2019
Expiry
Dec 03 2034
Assg.orig
Entity
unknown
12
12
n/a
The ornamental design for a gas diffusion plate for a plasma processing apparatus, as shown and described.

FIG. 1 is a front, bottom and right side perspective view of a gas diffusion plate for a plasma processing apparatus according to the design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 2;

FIG. 9 is an enlarged view of the portion shown in BOX 9 in FIG. 2; and,

FIG. 10 is an enlarged view of the portion shown in BOX 10 in FIG. 8.

The broken lines show the boundary of enlarged portions and form no part of the claimed design.

Okuda, Kouji, Tanaka, Kazuumi

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 27 2018Hitachi High-Technologies Corporation(assignment on the face of the patent)
Jun 25 2018TANAKA, KAZUUMIHitachi High-Technologies CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0462770951 pdf
Jun 25 2018OKUDA, KOUJIHitachi High-Technologies CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0462770951 pdf
Feb 12 2020Hitachi High-Technologies CorporationHITACHI HIGH-TECH CORPORATIONCHANGE OF NAME AND ADDRESS0522590227 pdf
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