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Sr Raymond Donley received US Patent No. 2,083,596 on June 15, 1937, filed December 7, 1935.
The patent's description opens (from the scanned text):
This invention relates to heat insulation pipe covering of cellular construction, the cells running on substantially 45 degree angles circumferentially around the covering and acting to contain air and to insure substantial and the best of insulation against the loss of heat from various pipes.
- Author
- Sr Raymond Donley
- Published by
- US Patent Office
- Series
- US Patent No. 2,083,596
- Date
- June 15, 1937
- Library no.
- ACL Doc 22003 · asbestosclaims.law/library/22003
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 389 KB
Where it was listed
- Asbestos, July 1937, in its patents department (the year's issues)
Cite this document
Sr Raymond Donley. “Cellular Heat Insulation Pipe Covering (US Patent 2,083,596, 1937).” June 15, 1937. US Patent No. 2,083,596. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22003. https://asbestosclaims.law/library/22003.
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