Duraglas Bottle Identification

The duraglas trademark in script was used starting in 1940 and in bold blocked letters starting in 1963 this information is from bottle makers and their marks by julian toulouse.

Duraglas bottle identification. And the 3rd set of digits is the year of manufacture owens illinois duraglas trademark eye in diamond owens illinois produced the duraglas line. Owens illinois glass company diamond oval i mark as seen on a green bottle base shard from 1952. Diamond o i mark on bottom of emerald green jar. Second mark used i inside of an o mark on base of emerald green jar.

Owens illinois mark on clear bottle. The number to the left bottle the symbol 9 is the plant number and means it was made in streator il. This bottle is an owens illinois glass company produced beer bottle made in 1941 by the oakland ca. First 2 digits are plant of mfg.

Lowex mark on glass insulator made by owens illinois. Some of the embossed markings on the bottle base above are a great information source for 20th century bottle identification. This is a trademark used mostly on votive candle holders. Duraglas was the name given to a process used by the owens illinois glass company where the surface of the hot just produced bottles were sprayed on the body shoulder and neck not base or the top of the finish with a stannic chloride tin iv chloride vapor that allowed the tin to bond to the outer surface providing scratch resistance and durability to the bottles.

2nd digit is the owens illinois mark i circled. Diamond oval i trademark on soda bottle made in 1958. The number below 14 is the mold cavity number. I will post a photo of representative examples.

This website will help you determine what to look for when identifying and dating historic. The duraglas marking indicates that the bottle was made by owens illinois glass company of toledo ohio. Duraglas bottle identification july 5 2018 owens illinois gl journal of dairy science 1943 vol 26 no 4 duraglas bottle dating bottles marked with 3iv and duraglas coca cola soda water 6 fluid ounces duraglas bottle update likely a ketchup from 1945. The number to the right indicates the year it was made 5 so duraglas be 45 55 65 etc.

If you see the trademark with the diamond your bottle was produced in the 1930s 1940s or 1950s. Duraglas mark introduced in 1940 on owens illinois bottle.