Patent
   D959531
Priority
Dec 10 2020
Filed
Dec 10 2020
Issued
Aug 02 2022
Expiry
Aug 02 2037
Assg.orig
Entity
unknown
0
11
n/a
The ornamental design for an aperture plate of vacuum chamber for an electron microscope, as shown and described.

FIG. 1 is a top perspective view of an aperture plate of vacuum chamber for an electron microscope showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof, the rear, left and right side elevational views being mirror images thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view of the aperture plate of vacuum chamber for an electron microscope in a condition of use.

The broken lines showing of the aperture plate of vacuum chamber for an electron microscope is for the purpose of illustration portions of the article and forms no part of the claimed design.

Chiu, Chen-Chin

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Dec 02 2020CHIU, CHEN-CHINCHAINSEM TECHNOLOGY CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0546760107 pdf
Dec 10 2020CHAINSEM TECHNOLOGY CORPORATION(assignment on the face of the patent)
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