Patent
   D380454
Priority
May 30 1995
Filed
Nov 30 1995
Issued
Jul 01 1997
Expiry
Jul 01 2011
Assg.orig
Entity
unknown
25
3
n/a
The ornamental design for wafer boat, as shown and described.

FIG. 1 is a front view of a first embodiment of a wafer boat showing our new design;

FIG. 2 is a rear view of the embodiment of FIG. 1;

FIG. 3 is a top view of the embodiment of FIG. 1;

FIG. 4 is a bottom view of the embodiment of FIG. 1;

FIG. 5 is a left side view of the embodiment of FIG. 1, the right side view being a mirror image and, therefore, not shown;

FIG. 6 is a cross sectional view of the embodiment of FIG. 1 on section line 6--6 in FIG. 1;

FIG. 7 is a cross sectional view of the embodiment of FIG. 1 on section line 7--7 in FIG. 3;

FIG. 8 is a front/top/right side perspective view of the embodiment of FIG. 1;

FIG. 9 is a front view of a second embodiment of a wafer boat showing our new design;

FIG. 10 is a rear view of the embodiment of FIG. 9;

FIG. 11 is a top view of the embodiment of FIG. 9;

FIG. 12 is a bottom view of the embodiment of FIG. 9;

FIG. 13 is a left side view of the embodiment of FIG. 9, the right side view being a mirror image and, therefore, not shown;

FIG. 14 is a cross sectional view of the embodiment of FIG. 9 on section line 14--14 in FIG. 9;

FIG. 15 is a cross sectional view of the embodiment of FIG. 9 on section line 15--15 in FIG. 11; and,

FIG. 16 is a front/top/right side perspective view of the embodiment of FIG. 9.

Kato, Hitoshi, Ishii, Katsutoshi, Iwai, Hiroyuki

Patent Priority Assignee Title
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Patent Priority Assignee Title
5482559, Oct 21 1993 Tokyo Electron Limited Heat treatment boat
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D366868, Sep 29 1993 Tokyo Electron Kabushiki Kaisha; Tokyo Electron Toboku Kabushiki Kaisha Wafer boat or rack
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 30 1995Tokyo Electron Limited(assignment on the face of the patent)
Feb 23 1996IWAI HIROYUKITokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078680217 pdf
Feb 23 1996ISHII, KATSUTOSHITokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078680217 pdf
Feb 23 1996KATO, HITOSHITokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078680217 pdf
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