You don't need the product names or old records. No fee unless we recover compensation for your family.
Horace N. Clark received US Patent No. 1,920,358 on August 1, 1933, filed January 7, 1931. It was assigned to Refractory and Engineering Cor.
The patent's description opens (from the scanned text):
This invention relates to a quick setting, strong concrete having particular utility as a heat resisting, heat insulating medium and possessing the property of being capable of being quickly and readily poured to form large insulating blocks of great strength and durability.
- Author
- Horace N. Clark
- Published by
- US Patent Office
- Series
- US Patent No. 1,920,358
- Date
- August 1, 1933
- Library no.
- ACL Doc 22751 · asbestosclaims.law/library/22751
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 170 KB
Where it was listed
- Asbestos, September 1933, in its patents department (the year's issues)
Cite this document
Horace N. Clark. “Insulating Concrete (US Patent 1,920,358, 1933).” August 1, 1933. US Patent No. 1,920,358. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22751. https://asbestosclaims.law/library/22751.
ACL Doc numbers and their short links never change. See how to cite the Library.
Talk with an asbestos lawyer
Start with what you remember, and we'll take it from there.
This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.