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Harry P. Hoopes, Horst L. Weber and Jr Jesse Ray Neal received US Patent No. 2,904,444 on September 15, 1959, filed November 26, 1957.
The patent's description opens (from the scanned text):
This invention relates to calcareous-silicious heat insulating material, and more particularly to an improved method of making such material.
- Author
- Harry P. Hoopes; Horst L. Weber; Jr Jesse Ray Neal
- Published by
- US Patent Office
- Series
- US Patent No. 2,904,444
- Date
- September 15, 1959
- Library no.
- ACL Doc 23125 · asbestosclaims.law/library/23125
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 709 KB
Where it was listed
- Asbestos, January 1960, in its patents department (the year's issues)
- Barry Castleman, Asbestos: Medical and Legal Aspects (5th edition, 2005)
Cited by Barry Castleman
In Asbestos: Medical and Legal Aspects (5th edition, 2005), which cites it in:
- Chapter 6 (Alternatives to Asbestos Insulation), p. 379, note 65
Cited on this site
Cite this document
Harry P. Hoopes, Horst L. Weber, Jr Jesse Ray Neal. “Method of making calcareous-silicious insulating material (US Patent 2,904,444, 1959).” September 15, 1959. US Patent No. 2,904,444. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23125. https://asbestosclaims.law/library/23125.
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