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Ernest J. Maust received US Patent No. 1,872,480 on August 16, 1932, filed July 17, 1931. It was assigned to Dorr Co.
The patent's description opens (from the scanned text):
This invention relates to a method of and means for making products of mixed materials, such as asbestos and cement, and more particularly for making cement-asbestos 5 shtingles and wall board of the type of transl 6 V 3 v I I Mixed asbestos and cement products have been made according to one method by mixing asbestos with a cement-water mixture in 10 the form of a paste or .putty and moulding the material into the desired shape.
- Author
- Ernest J. Maust
- Published by
- US Patent Office
- Series
- US Patent No. 1,872,480
- Date
- August 16, 1932
- Library no.
- ACL Doc 22006 · asbestosclaims.law/library/22006
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 674 KB
Where it was listed
- Asbestos, September 1932, in its patents department (the year's issues)
Cite this document
Ernest J. Maust. “Cement Asbestos Products (US Patent 1,872,480, 1932).” August 16, 1932. US Patent No. 1,872,480. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22006. https://asbestosclaims.law/library/22006.
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