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Harold W. Greider received US Patent No. 1,782,383 on November 18, 1930, filed February 19, 1926. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
This invention relates to heat insulating materials and the process of manufacturing same. 'It is applicable particularly to insulations. comprising 1i ht, bulky, finelydivided ingredients suc alone or mixed with a fibrous binder such as asbestos, or also comprisin other finedivided materials such as diatomaceous earth and calcium carbonate? It is applicable, for example, in the manufacture of 85% magnesla. " Heretofore, in making heat ihsulation ma-F terial of the'type referred to, finely-divided and/or fibrous ingredients have been made up with water. into a semi-fluid or semi-plastic mix, air or ...
- Author
- Harold W. Greider
- Published by
- US Patent Office
- Series
- US Patent No. 1,782,383
- Date
- November 18, 1930
- Library no.
- ACL Doc 22609 · asbestosclaims.law/library/22609
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 621 KB
Where it was listed
- Asbestos, January 1931, in its patents department (the year's issues)
Cite this document
Harold W. Greider. “Heat Insulating Material (US Patent 1,782,383, 1930).” November 18, 1930. US Patent No. 1,782,383. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22609. https://asbestosclaims.law/library/22609.
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