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Glen W. Charles received US Patent No. 3,563,774 on February 16, 1971, filed November 2, 1967.
The patent's abstract:
A GUNNING REFRACTORY OF THE HYDRAULIC SETTING AGENT TYPE HAVING LOW REBOUND LOSS AND OF A COMPOSITION OF 60% TO 90% BY WEIGHT OF ACID AND/OR NEUTRAL REGRACTORY AGGREGATE FILLER, FROM 10% TO 40% CALCIUM ALUMINATE CEMENT, FROM 0.1% TO 5% PLASTER OF PARIS, AND FROM 0.01% TO 5% SHORT FIBER ASBESTOS.
- Author
- Glen W. Charles
- Published by
- US Patent Office
- Series
- US Patent No. 3,563,774
- Date
- February 16, 1971
- Library no.
- ACL Doc 22585 · asbestosclaims.law/library/22585
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 155 KB
Where it was listed
- Asbestos, June 1971, in its patents department (the year's issues)
Cite this document
Glen W. Charles. “Gunning refractory (US Patent 3,563,774, 1971).” February 16, 1971. US Patent No. 3,563,774. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22585. https://asbestosclaims.law/library/22585.
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