Patent
   D898171
Priority
Dec 19 2017
Filed
Jun 07 2018
Issued
Oct 06 2020
Expiry
Oct 06 2035
Assg.orig
Entity
unknown
4
58
n/a
The ornamental design for seal member for use in semiconductor production apparatus, as shown and described.

1.1 is a perspective view of a seal member for use in semiconductor production apparatuses, showing our new design;

1.2 is a front elevation view thereof;

1.3 is a rear elevation view thereof;

1.4 is a left side elevation view thereof;

1.5 is a right side elevation view thereof;

1.6 is a top view thereof;

1.7 is a bottom view thereof;

1.8 is an enlarged left side elevation view thereof; and

1.9 is an enlarged left side elevation view thereof in a condition of use.

The broken lines shown in Reproduction 1.9 are for the purposes of illustrating environmental structure and form no part of the claimed design.

Kim, Sangho, Yoshida, Nobuhiro

Patent Priority Assignee Title
D983940, Apr 09 2020 VALQUA, LTD. Sealing ring
D983941, Apr 10 2020 VALQUA, LTD. Sealing ring
ER1982,
ER4932,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 07 2018VALQUA, LTD.(assignment on the face of the patent)
Mar 07 2019YOSHIDA, NOBUHIROVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0488000345 pdf
Mar 21 2019KIM, SANGHOVALQUA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0488000345 pdf
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