Patent
   D871608
Priority
Jul 31 2017
Filed
Jan 30 2018
Issued
Dec 31 2019
Expiry
Dec 31 2034
Assg.orig
Entity
unknown
9
28
n/a
The ornamental design for a gas ring for a plasma processing apparatus, as shown and described.

This application contains subject matter related to the following co-pending U.S. design patent applications:

Application Ser. No. 29/635,287, filed herewith and entitled “Electrode Plate for a Plasma Processing Apparatus”;

Application Ser. No. 29/635,292, filed herewith and entitled “Electrode Cover for a Plasma Processing Apparatus”; and

Application Ser. No. 29/635,296, filed herewith and entitled “Electrode Plate Peripheral Ring for a Plasma Processing Apparatus”.

FIG. 1 is a front and bottom perspective view of a gas ring 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; and,

FIG. 9 is an enlarged view of the portion shown in BOX 9 in FIG. 8.

The broken lines in FIG. 8 show the boundary of the enlarged portion illustrated in FIG. 9 and form no part of the claimed design.

Okuda, Kouji, Tanaka, Motohiro

Patent Priority Assignee Title
D889335, Oct 03 2018 Disc
D891636, Oct 25 2018 HITACHI HIGH-TECH CORPORATION Ring for a plasma processing apparatus
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 30 2018Hitachi High-Technologies Corporation(assignment on the face of the patent)
Jun 25 2018OKUDA, KOUJIHitachi High-Technologies CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0465090546 pdf
Jun 25 2018TANAKA, MOTOHIROHitachi High-Technologies CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0465090546 pdf
Feb 12 2020Hitachi High-Technologies CorporationHITACHI HIGH-TECH CORPORATIONCHANGE OF NAME AND ADDRESS0522590227 pdf
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