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John Arthur Cann received US Patent No. 2,334,807 on November 23, 1943, filed May 23, 1941.
The patent's description opens (from the scanned text):
This invention relates to machines for making pipes from asbestos-cement or like mixtures, that is to say, mixtures composed essentially of asbestos, a binding agent and water.
- Author
- John Arthur Cann
- Published by
- US Patent Office
- Series
- US Patent No. 2,334,807
- Date
- November 23, 1943
- Library no.
- ACL Doc 21748 · asbestosclaims.law/library/21748
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 249 KB
Where it was listed
- Asbestos, January 1944, in its patents department (the year's issues)
Cite this document
John Arthur Cann. “Asbestos Cement Pipe Forming Machine (US Patent 2,334,807, 1943).” November 23, 1943. US Patent No. 2,334,807. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21748. https://asbestosclaims.law/library/21748.
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