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Gilbert A. Hoggatt received US Patent No. 2,336,251 on December 7, 1943, filed January 4, 1940. It was assigned to Certain Teed Products Corp.
The patent's description opens (from the scanned text):
This invention relates to wallboards or panels, especially those having a core of hydraulic-setting cementitious material. yThe invention particularly relates to gypsum wallboards in which a core of calcined gypsum in set condition lies between cover papers adhering thereto.
- Author
- Gilbert A. Hoggatt
- Published by
- US Patent Office
- Series
- US Patent No. 2,336,251
- Date
- December 7, 1943
- Library no.
- ACL Doc 23838 · asbestosclaims.law/library/23838
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 397 KB
Where it was listed
- Asbestos, February 1944, in its patents department (the year's issues)
Cite this document
Gilbert A. Hoggatt. “Wallboard (US Patent 2,336,251, 1943).” December 7, 1943. US Patent No. 2,336,251. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23838. https://asbestosclaims.law/library/23838.
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