Patent information:

Patent:Utility 1,156,163
Patented:October 12, 1915
Applied:March 9, 1909
Title:Manufacture of High Potential Electric Conductors
Description:Boro-silicate glass & porcelain
Category:Boron
Assigned to: 

Patentee Information:

LOCKE, Fred M. Victor, NY

Class and subclass information:

Class:501COMPOSITIONS: CERAMIC
Subclass:11CERAMIC COMPOSITIONS Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions;
Class:501COMPOSITIONS: CERAMIC
Subclass:53CERAMIC COMPOSITIONS Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions Silica containing;
Class:501COMPOSITIONS: CERAMIC
Subclass:65CERAMIC COMPOSITIONS Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions Silica containing 40 percent - 90 percent by weight silica And boron;
Class:501COMPOSITIONS: CERAMIC
Subclass:77CERAMIC COMPOSITIONS Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions Silica containing Less than 40 percent by weight silica And boron;
Class:501COMPOSITIONS: CERAMIC
Subclass:141CERAMIC COMPOSITIONS Clay containing (e.g., porcelain, earthenware, etc.);

Known specimens:

Number:Specimen known