Patent information:

Patent:Utility 393
Patented:September 22, 1837
Applied:
Title:Improvement in the Composition of Matter for Fire-Bricks
Description:Flint composition material for the Elliott flint insulators
Category:Flint
Assigned to: 

Patentee Information:

FENTON, Christopher W. Bennington, VT

Class and subclass information:

Class:501COMPOSITIONS: CERAMIC
Subclass:129CERAMIC COMPOSITIONS Refractory Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing Aluminum compound (e.g., clay, aluminium oxide, etc.) And silicon compound other than clay And silica-clay mixtures;

Known specimens:

None known