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Herbert D. Sheets and John W. Lennon received US Patent No. 3,373,047 on March 12, 1968, filed October 6, 1964.
The patent's description opens:
The present invention relates to a refractory material for use in hot topping and, more particularly, to a hot top refractory panel or board which contacts the molten metal being poured into the mold with which the hot top is associated.
- Author
- Herbert D. Sheets; John W. Lennon
- Published by
- US Patent Office
- Series
- US Patent No. 3,373,047
- Date
- March 12, 1968
- Library no.
- ACL Doc 22979 · asbestosclaims.law/library/22979
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 455 KB
Where it was listed
- Asbestos, May 1968, in its patents department (the year's issues)
Cited on this site
Cite this document
Herbert D. Sheets, John W. Lennon. “Material for Hot-Top (US Patent 3,373,047, 1968).” March 12, 1968. US Patent No. 3,373,047. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22979. https://asbestosclaims.law/library/22979.
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