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Frederic L. Pilliod received US Patent No. 1,499,781 on July 1, 1924, filed November 6, 1922.
The patent's description opens (from the scanned text):
My invention relates to the manufacture of non-heat conducting covering for steampipes or water-pipes, etc., and more particularly comprises certain improvements in the particular character of sectional pipe covering designed for use on pipe conveyin a cold iuid, the function of said covering ing to protect the duid from access of heat and to prevent the deposition of moisture on the surface of the pipe, such 4as would otherwise result from condensation thereon oit moisture of the atmosphere.
- Author
- Frederic L. Pilliod
- Published by
- US Patent Office
- Series
- US Patent No. 1,499,781
- Date
- July 1, 1924
- Library no.
- ACL Doc 23329 · asbestosclaims.law/library/23329
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 623 KB
Where it was listed
- Asbestos, September 1924, in its patents department (the year's issues)
Cite this document
Frederic L. Pilliod. “Pipe Covering and Method of making same (US Patent 1,499,781, 1924).” July 1, 1924. US Patent No. 1,499,781. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23329. https://asbestosclaims.law/library/23329.
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