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Patent
D913977
Priority
Dec 12 2016
Filed
Dec 10 2018
Issued
Mar 23 2021
Expiry
Mar 23 2036
Assg.orig
Entity
unknown
5
53
n/a
The ornamental design for an elastic membrane for semiconductor wafer polishing, as shown and described.
FIG. 1 is a bottom perspective view of an elastic membrane for semiconductor wafer polishing showing our new design;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a front view thereof, rear view being identical;
FIG. 6 is a right-side view thereof, left-side view being identical;
FIG. 7 is a cross-sectional view taken along line 7 -7 of FIG. 4 ; and,
FIG. 8 is an enlarged portion view labeled FIG. 8 in FIG. 7 .
The portions of the elastic membrane shown in even broken lines form no part of the claimed design. The dashed-dot lines in the drawings represent the boundary lines of the claimed design. The box labeled FIG. 8 shown in even broken lines in FIG. 7 defines the enlarged portion view of FIG. 8 .
Fukushima, Makoto , Nabeya, Osamu , Namiki, Keisuke , Togashi, Shingo , Yamaki, Satoru , Owada, Tomoko , Kishimoto, Masahiko
Patent
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Executed on Assignor Assignee Conveyance Frame Reel Doc
Dec 10 2018 Ebara Corporation (assignment on the face of the patent) /
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