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John Arthur Cann received US Patent No. 2,294,277 on August 25, 1942, filed May 23, 1941.
The patent's description opens (from the scanned text):
This invention relates to machines for use in the production of pipes of asbestos-cement or like material, that is to say, fibrous material and a binding agent.
- Author
- John Arthur Cann
- Published by
- US Patent Office
- Series
- US Patent No. 2,294,277
- Date
- August 25, 1942
- Library no.
- ACL Doc 22882 · asbestosclaims.law/library/22882
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 350 KB
Where it was listed
- Asbestos, October 1942, in its patents department (the year's issues)
Cite this document
John Arthur Cann. “Machine for Calendering Asbestos-Cement Pipes (US Patent 2,294,277, 1942).” August 25, 1942. US Patent No. 2,294,277. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22882. https://asbestosclaims.law/library/22882.
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