The term “Duraglas” was first embossed in cursive on bottle bases at some point during the year – so expect bottles with “0” date codes both with and without the word. Duraglas was a glass formula that was stronger than most previous glass mixtures.

How do I date Owens-Illinois Glass?

Typically, it is marked with a number called a “Liquor Bottle Permit Number” followed by a dash and a second number which is the date code. Many liquor bottles made by Owens-Illinois have the “Diamond and Oval with an I” logo embossed sideways on the base of the container.

Is Owens Illinois still in business?

O-I was one of the original S&P 500 companies in 1957. It was removed in 1987 (after purchase by Kohlberg Kravis Roberts), added in 1991 and removed again in 2000. In 2020, a subsidiary of O-I Glass, Paddock Enterprises, entered bankruptcy following numerous asbestos lawsuits filed against the company.

How can you tell how old a glass jug is?

The embossed maker’s mark or letters on the side of a bottle or on the base of a bottle will help to reveal a bottle’s age. Marks or letters on collectible milk bottles and Coca Cola bottles are commonly indicators of age and origin.

How can you tell how old a brown bottle is?

How to Identify Vintage Antique Brown Glass Bottles

  1. Irregular Shape Aging. If the bottle seems very heavy for its size, has a blobby top area and looks like hand-blown glass, it likely is.
  2. Look for Embossed Indicators.
  3. Secrets of Seams.
  4. Bitters Bottles Basics.

What kind of glass bottles are worth money?

Colored glass is typically more valuable than clear glass; in fact, a colored glass bottle can easily be worth $1,000 or more than the same bottle featuring clear glass.

What do the numbers on the bottom of old glass bottles mean?

In most cases, one- or two-digit numbers are actually mold numbers that indicate the specific bottle mold or section in an automatic bottle machine. If numerous molds were identical, each one received its own number. Base numbers also indicate bottle styles or shapes, manufacturing dates, or factory location codes.

What color is a one gallon Duraglas jug?

We found a one-gallon Duraglas jug which is clear in color. The words “one-gallon” are embossed in two spots around the top of the jug and the name Duraglas is embossed in two locations near the bottom of the jug. The numbers and symbol on the bottom of the jug look like this:

What company makes Duraglas bottles?

DURAGLAS ~ trademark on glass bottles “Duraglas” Trademark used by Owens- Illinois Glass Company Duraglas (in a cursive script with only the first letter actually capitalized) was registered by Owens-Illinois Glass Company, based in Toledo, Ohio at that time, on September 23, 1941. The official registration number was #0390467.

How many ounces are in a Duraglas?

Group of four medicine bottles bearing the “Duraglas” marking on both the front heel and the base. These are marked with the “weird 3” logo (standing for “ounce”), so these bottles held, from left to right, 8 ounces, 4 ounces, three ounces and 2 ounces. They date from the 1940s or 1950s.

What does Duraglas mean on a 7-Up bottle?

Duraglas marking on base of emerald green 7-up soda bottle (shown below) with 1950 date code. The “7” indicates the Alton, Illinois factory. G-94 was the code number for the bottle style. Emerald Green 7-UP bottle marked “Duraglas” on the base.