Patent information:
Patent: | Utility 1,991,469 |
Patented: | February 19, 1935 |
Applied: | June 14, 1933 |
Title: | Building Block |
Description: | Block with interior partition, separate lid |
Category: | OI |
Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
Class and subclass information:
Class: | 52 | STATIC STRUCTURES (E.G., BUILDINGS) |
Subclass: | 306 | |
Class: | 52 | STATIC STRUCTURES (E.G., BUILDINGS) |
Subclass: | 323 | CAST IN SITU CONCRETE BARRIER WITH LATERALLY PROJECTING RIB-TYPE SUSTAINER; Block-type filler between sustainers; Filler of cooperating, void-forming sections; |
Class: | 65 | GLASS MANUFACTURING |
Subclass: | 58 | PROCESSES; Fusion bonding of glass to a formed part; Of parts having opposed facing areas out of contact (e.g., building blocks); |
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: | D25 | BUILDING UNITS AND CONSTRUCTION ELEMENTS |
Subclass: | 108 | |
Known specimens:
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Drawings:
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