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Harold S. Ashenhurst received US Patent No. 1,654,029 on December 27, 1927, filed February 16, 1925.
The patent's description opens (from the scanned text):
My invention relates to floor| and ceiling construction and particularly to a construction in which the structural elements are fully protected. against lire.
- Author
- Harold S. Ashenhurst
- Published by
- US Patent Office
- Series
- US Patent No. 1,654,029
- Date
- December 27, 1927
- Library no.
- ACL Doc 23825 · asbestosclaims.law/library/23825
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 286 KB
Where it was listed
- Asbestos, March 1928, in its patents department (the year's issues)
Cite this document
Harold S. Ashenhurst. “Wall Construction (US Patent 1,654,029, 1927).” December 27, 1927. US Patent No. 1,654,029. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23825. https://asbestosclaims.law/library/23825.
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