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Walter S. Josephson received US Patent No. 3,572,863 on March 30, 1971, filed December 26, 1967.
The patent's abstract:
A bearing formed of asbestos fibers, phenol-formaldehyde resin, nitrile rubber and lubricant. Such bearing is made by forming a preform of the components, and then molding the preform to the desired shape.
- Author
- Walter S. Josephson
- Published by
- US Patent Office
- Series
- US Patent No. 3,572,863
- Date
- March 30, 1971
- Library no.
- ACL Doc 21825 · asbestosclaims.law/library/21825
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 355 KB
Where it was listed
- Asbestos, June 1971, in its patents department (the year's issues)
Cite this document
Walter S. Josephson. “Asbestos-base wear ring (US Patent 3,572,863, 1971).” March 30, 1971. US Patent No. 3,572,863. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21825. https://asbestosclaims.law/library/21825.
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