Patent information:

Patent:Utility 1,886,280
Patented:November 1, 1932
Applied:April 13, 1926
Title:Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same
Description:Boro-silicate glass, method to make glass to transmit UV light
Category:Boron
Assigned to:Corning Glass Works

Patentee Information:

LOCKE, Fred M. Victor, NY
LOCKE, Fred J. Victor, NY

Class and subclass information:

Class:501COMPOSITIONS: CERAMIC
Subclass:66CERAMIC 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 And aluminum;
Class:65GLASS MANUFACTURING
Subclass:157MEANS PROVIDING SPECIAL ATMOSPHERE;
Class:501COMPOSITIONS: CERAMIC
Subclass:70CERAMIC 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 aluminum or iron compound And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.) Calcium oxide containing;
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:905CERAMIC COMPOSITIONS Optical glass (e.g., silent on refractive index and/or Abbe number) Ultraviolet transmitting or absorbing;

Known specimens:

None known