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Charles E. Kraus received US Patent No. 1,741,574 on December 31, 1929, filed December 28, 1922. It was assigned to Sialco Inc.
The patent's description opens (from the scanned text):
This invention relates to substances for use in the control of heat transference whether it is desired to prevent waste of heat from heating devices as in furnaces, fireboxes, steam pipes,,etc., or to prevent heat from entering refrigerating chambers.
- Author
- Charles E. Kraus
- Published by
- US Patent Office
- Series
- US Patent No. 1,741,574
- Date
- December 31, 1929
- Library no.
- ACL Doc 22641 · asbestosclaims.law/library/22641
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 408 KB
Where it was listed
- Asbestos, March 1930, in its patents department (the year's issues)
Cite this document
Charles E. Kraus. “Heat Insulation (US Patent 1,741,574, 1929).” December 31, 1929. US Patent No. 1,741,574. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22641. https://asbestosclaims.law/library/22641.
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