Patent
   D933031
Priority
Oct 12 2018
Filed
Sep 17 2020
Issued
Oct 12 2021
Expiry
Oct 12 2036
Assg.orig
Entity
unknown
2
78
n/a
The ornamental design for a seal member for semiconductor production apparatus, as shown and described.

FIG. 1 is a perspective view of a 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 taken along line 8-8 shown in FIG. 6; and,

FIG. 9 is an enlarged cross-sectional view of a portion thereof taken from area 9-9 shown in FIG. 8.

Nakagawa, Ippei, Yoshida, Nobuhiro

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 22 2019YOSHIDA, NOBUHIROVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0538060748 pdf
Mar 22 2019NAKAGAWA, IPPEIVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0538060748 pdf
Sep 17 2020VALQUA, LTD.(assignment on the face of the patent)
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