Graphite sheet for protecting crucible
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Description
The broken lines in the drawings are for the purpose of illustrating environmental structure and form no part of the claimed design embodiments.
Claims
The ornamental design for graphite sheet for protecting crucible, as shown and described.
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Patent History
Patent number: D781942
Type: Grant
Filed: May 18, 2012
Date of Patent: Mar 21, 2017
Assignee: TOYO TANSO CO., LTD. (Osaka)
Inventor: Yoshiaki Hirose (Mitoyo)
Primary Examiner: Patricia Palasik
Application Number: 29/422,300
Type: Grant
Filed: May 18, 2012
Date of Patent: Mar 21, 2017
Assignee: TOYO TANSO CO., LTD. (Osaka)
Inventor: Yoshiaki Hirose (Mitoyo)
Primary Examiner: Patricia Palasik
Application Number: 29/422,300
Classifications
Current U.S. Class:
Heat Treatment, Welding Or Brazing (D15/144)