| Patent information: 
  | Patent: | Utility 3,096,684 |  | Patented: | July 9, 1963 |  | Applied: | November 12, 1958 |  | Title: | Fenestration Structure for Control of Daylighting |  | Description: | Glass block wall construction |  | Category: | OI |  | Assigned to: | Owens-Illinois Glass Co. |  Patentee Information: Class and subclass information: 
  | Class: | 359 | OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS |  | Subclass: | 593 | BUILDING INTERIOR ILLUMINATION WITH REFLECTED, REFRACTED OR       PREDETERMINED ANGLE OF ENTRANCE OF OUTSIDE LIGHT;  Unitary light transmitting member comprising plural reflecting       or refracting elements;  Plural members in series; |  | Class: | 65 | GLASS MANUFACTURING |  | Subclass: | 60.53 | PROCESSES;  With coating;  Oxide coating;  From inorganic oxides or hydroxides; |  | Class: | 65 | GLASS MANUFACTURING |  | Subclass: | 60.8 | PROCESSES;  With coating;  Silicon containing coating; |  | Class: | 359 | OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS |  | Subclass: | 595 | BUILDING INTERIOR ILLUMINATION WITH REFLECTED, REFRACTED OR       PREDETERMINED ANGLE OF ENTRANCE OF OUTSIDE LIGHT;  Unitary light transmitting member comprising plural reflecting       or refracting elements;  With internal reflections; |  | Class: | 362 | ILLUMINATION |  | Subclass: | 332 |  |  | Class: | 501 | COMPOSITIONS: CERAMIC |  | Subclass: | 55 | CERAMIC 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; |  Known specimens: | Drawings: 
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