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Sr Frank P. Goldschmidt received US Patent No. 2,221,475 on November 12, 1940, filed December 12, 1939. It was assigned to Ruberoid Co.
The patent's description opens (from the scanned text):
This invention relates to an improved siding unit for use with other similar units in covering the sides of building structures.
- Author
- Sr Frank P. Goldschmidt
- Published by
- US Patent Office
- Series
- US Patent No. 2,221,475
- Date
- November 12, 1940
- Library no.
- ACL Doc 23661 · asbestosclaims.law/library/23661
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 218 KB
Where it was listed
- Asbestos, January 1941, in its patents department (the year's issues)
Cite this document
Sr Frank P. Goldschmidt. “Siding Unit (US Patent 2,221,475, 1940).” November 12, 1940. US Patent No. 2,221,475. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23661. https://asbestosclaims.law/library/23661.
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