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Edward B. Edwards received US Patent No. 2,263,292 on November 18, 1941, filed August 22, 1939.
The patent's description opens (from the scanned text):
This invention relates to conduits, and has more particular reference to conduits made from plastic materials extruded to shape. y The primary object of this invention is to extrude hollow conduits which will retain their `given shapes and substantially their dimensions when solidified.' A further object of the invention is to provide a conduit which by virtue of its internal structure will provide .great strength without grain.
- Author
- Edward B. Edwards
- Published by
- US Patent Office
- Series
- US Patent No. 2,263,292
- Date
- November 18, 1941
- Library no.
- ACL Doc 22138 · asbestosclaims.law/library/22138
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 228 KB
Where it was listed
- Asbestos, December 1941, in its patents department (the year's issues)
Cite this document
Edward B. Edwards. “Conduit (US Patent 2,263,292, 1941).” November 18, 1941. US Patent No. 2,263,292. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22138. https://asbestosclaims.law/library/22138.
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