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Edward A. Smith received US Patent No. 1,774,732 on September 2, 1930, filed September 14, 1927.
The patent's description opens (from the scanned text):
My invention relates to` pipe fittings, anged or otherwise, such as are used in heating systems, and it has particular reference to insulating coverings therefor which, as heretofore practiced, involve the tedious operations of first applying to a fitting a covering coat of cement, then the insulating casing, usually asbestos or an asbestos composition, and then a finishing coat of cement covered by canvas or any other suitable fabric.
- Author
- Edward A. Smith
- Published by
- US Patent Office
- Series
- US Patent No. 1,774,732
- Date
- September 2, 1930
- Library no.
- ACL Doc 22757 · asbestosclaims.law/library/22757
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 248 KB
Where it was listed
- Asbestos, September 1930, in its patents department (the year's issues)
Cite this document
Edward A. Smith. “Insulating Covering for Fittings (US Patent 1,774,732, 1930).” September 2, 1930. US Patent No. 1,774,732. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22757. https://asbestosclaims.law/library/22757.
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