Patent
   D922546
Priority
Dec 01 2017
Filed
Nov 21 2019
Issued
Jun 15 2021
Expiry
Jun 15 2036
Assg.orig
Entity
unknown
0
51
n/a
The ornamental design for a composite seal member for semiconductor production apparatus, as shown and described.

FIG. 1 is a perspective view of a composite seal member for semiconductor production apparatus, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view thereof; and,

FIG. 9 is an enlarged cross-sectional view of a portion thereof.

Nakagawa, Ippei, Kim, Sangho, Yoshida, Nobuhiro

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 07 2019YOSHIDA, NOBUHIROVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0510860705 pdf
Mar 07 2019NAKAGAWA, IPPEIVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0510860705 pdf
Mar 21 2019KIM, SANGHOVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0510860705 pdf
Nov 21 2019VALQUA, LTD.(assignment on the face of the patent)
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