Owens-Illinois Duraglas Bottle Value Guide

The Owens-Illinois Duraglas bottle represents a pivotal 1930s innovation in American glass manufacturing, designed specifically for enhanced durability and breakage resistance. These green glass vessels were essential for protecting light-sensitive beverages like soda and beer from UV degradation during transport.

What affects the value of Owens-Illinois Duraglas Bottle?

• The presence of the 'Duraglas' trademark, which signifies the specific era of reinforced glass production.
• Overall glass clarity and the absence of 'sick glass' or heavy mineral staining from burial.
• The condition of the embossed lettering and the lack of chips or 'flea bites' along the rim and base.
• Historical context of the bottle's original contents, such as rare soda or beer brand associations.

How to Identify Owens-Illinois Duraglas Bottle?

• Look for the distinctive 'Duraglas' script logo embossed on the base or lower heel of the bottle.
• Identify the Owens-Illinois manufacturer mark, typically an 'I' inside a circle superimposed over a diamond.
• Check for the characteristic green glass tint used specifically for light-sensitive beverage protection.
• Locate the date code numbers flanking the manufacturer mark to confirm production between 1930 and 1950.

History of Owens-Illinois Duraglas Bottle

Owens-Illinois, a dominant force in glass manufacturing, introduced their 'Duraglas' line in the late 1930s. This innovation marked a significant advancement in bottle strength and durability, making glass containers more resistant to breakage during production and transport. The green color was common for bottles holding beverages sensitive to light, such as sodas, beers, or some food products, helping to protect their contents from UV degradation.