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Edgar Layton received US Patent No. 1,518,857 on December 9, 1924, filed April 18, 1923.
The patent's description opens (from the scanned text):
This invention relates to fire-resistant The coating of magnesite and asbestos is shingles and a method of making same. sufiiciently elastic and flexible to permit The object of the invention is to treat a driving of the nails therethrough without wooden shingle or the like so as to make it chipping or cracking the material. resistant to tire and to provide a fire're- Having thus described my invention, sistant material which shall be du "able and what I claim and desire to secure by Letters flexible and capable of being ...
- Author
- Edgar Layton
- Published by
- US Patent Office
- Series
- US Patent No. 1,518,857
- Date
- December 9, 1924
- Library no.
- ACL Doc 22301 · asbestosclaims.law/library/22301
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 132 KB
Where it was listed
- Asbestos, January 1925, in its patents department (the year's issues)
Cite this document
Edgar Layton. “Fire Resistant Shingle and Method of Making Same (US Patent 1,518,857, 1924).” December 9, 1924. US Patent No. 1,518,857. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22301. https://asbestosclaims.law/library/22301.
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