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Harry Applin received US Patent No. 1,623,612 on April 5, 1927, filed June 16, 1926.
The patent's description opens (from the scanned text):
This invention relates, to a method and apparatus for producing an article of plastic material such as asbestos fiber and cement composition. 1 Hitherto such plastic compositions have been worked into shingles, slabs and the like of flat, even form but it is often desirable that the shape or thickness of the article he irregular, as 'for instance, in the case of shingles, where'it is advantageous to have a taper in, the long direction from thinness at one end to relative thickness at the other.
- Author
- Harry Applin
- Published by
- US Patent Office
- Series
- US Patent No. 1,623,612
- Date
- April 5, 1927
- Library no.
- ACL Doc 23646 · asbestosclaims.law/library/23646
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 17 pages · 1.5 MB
Where it was listed
- Asbestos, June 1927, in its patents department (the year's issues)
Cite this document
Harry Applin. “Shingle Machine (US Patent 1,623,612, 1927).” April 5, 1927. US Patent No. 1,623,612. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23646. https://asbestosclaims.law/library/23646.
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