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Jacob A. Stadtfeld received US Patent No. 1,876,357 on September 6, 1932, filed August 8, 1928. It was assigned to Plant Rubber & Asbestos Works.
The patent's description opens (from the scanned text):
My invention relates to flues and vents used in carrying off the products of combustion arising from furnaces, heaters, ovens, smelters, and other appliances using petroleum or 5 hydrocarbon fuel.
- Author
- Jacob A. Stadtfeld
- Published by
- US Patent Office
- Series
- US Patent No. 1,876,357
- Date
- September 6, 1932
- Library no.
- ACL Doc 22489 · asbestosclaims.law/library/22489
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 245 KB
Where it was listed
- Asbestos, October 1932, in its patents department (the year's issues)
Cite this document
Jacob A. Stadtfeld. “Gas Flue and Vent (US Patent 1,876,357, 1932).” September 6, 1932. US Patent No. 1,876,357. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22489. https://asbestosclaims.law/library/22489.
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