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Fred W. Barth received US Patent No. 1,794,435 on March 3, 1931, filed September 20, 1929.
The patent's description opens (from the scanned text):
My invention relates to the production of corrugated sheets from plastic material, and the form of the invention herein shown was particularly designed for the manufacture of corrugated sheet asbestos material. lFhe general object of the invention is to Y provide mechanism for producingcorrugated sheets of plastic material, having regard to the liability of the material when in a more or less lastic condition to tear or become subjects to weakening strains which reduce its lasting qualities and tend also to lack of uniformity. o A further object of the ...
- Author
- Fred W. Barth
- Published by
- US Patent Office
- Series
- US Patent No. 1,794,435
- Date
- March 3, 1931
- Library no.
- ACL Doc 21679 · asbestosclaims.law/library/21679
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 9 pages · 938 KB
Where it was listed
- Asbestos, May 1931, in its patents department (the year's issues)
Cite this document
Fred W. Barth. “Apparatus for Making Corrugated Sheets (US Patent 1,794,435, 1931).” March 3, 1931. US Patent No. 1,794,435. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21679. https://asbestosclaims.law/library/21679.
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