You don't need the product names or old records. No fee unless we recover compensation for your family.
Jos. M. Coffey received US Patent No. 1,857,586 on May 10, 1932.
The patent's description opens (from the scanned text):
My invention relates to a new composite material suitable for use as an electrical insulator and to a process for manufacturing the same. value where an insulator having both me chanical strength and high surface insulating pro erties is desired. eretofore mica plate, thatis sheets composed of layers of mica flakes cemented together with a suitable binder and then pressed, have been'employed as insulators when high surface insulation was desired.
- Author
- Jos. M. Coffey
- Published by
- US Patent Office
- Series
- US Patent No. 1,857,586
- Date
- May 10, 1932
- Library no.
- ACL Doc 22090 · asbestosclaims.law/library/22090
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 262 KB
Where it was listed
- Asbestos, July 1932, in its patents department (the year's issues)
Cite this document
Jos. M. Coffey. “Composite Insulating Material (US Patent 1,857,586, 1932).” May 10, 1932. US Patent No. 1,857,586. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22090. https://asbestosclaims.law/library/22090.
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.