Patent information:

Patent:Utility 2,738,838
Patented:March 20, 1956
Applied:June 4, 1952
Title:Glass Block Ventiliating Device
Description:Operable glass block vent
Category:OI
Assigned to:Owens-Illinois Glass Co.

Patentee Information:

SUTTER, John H. Norcross, GA

Class and subclass information:

Class:160FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL
Subclass:95 
Class:49MOVABLE OR REMOVABLE CLOSURES
Subclass:53 
Class:49MOVABLE OR REMOVABLE CLOSURES
Subclass:347 
Class:49MOVABLE OR REMOVABLE CLOSURES
Subclass:490.1 
Class:49MOVABLE OR REMOVABLE CLOSURES
Subclass:496.1 
Class:454VENTILATION
Subclass:276 

Known specimens:

None known

Drawings:

Drawing page 1

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Drawing page 2

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Drawing page 3

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Drawing page 4

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