From what year is this bottle???

[inferno11250]

So I stumbled upon an old diet rite cola bottle but for the life of me, I couldn’t find a year when this bottle made public… pls help

 

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[DizzyDigger]

Diet-Rite was introduced in the late 1950's, and my guess is your bottles are from the 60's.

 

[Red-Coat]

‘Diet Rite’ (with and without a hyphen) is a trademark for Dr. Pepper/Seven Up Inc. The unhyphenated version has a first use in commerce of 22 December 1953, but it seems they didn’t apply to register it until 27 September 1982 (granted 30 October 1984). Since there’s a registration symbol after the trademark as ‘Diet Rite ®’, I think it will be 1984 or later (the registration is still active).