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Thread: How do you decipher Toyo serial/date numbers??

  1. 04-20-2017 06:44 PM #1
    TYP85
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    Default How do you decipher Toyo serial/date numbers??

    How do you decipher Toyo serial/date numbers??

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  2. 04-20-2017 06:48 PM #2
    TYP85
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    Found it!!!

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  3. 04-20-2017 07:07 PM #3
    SeanB
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    13th week of 2009.

    WWYY
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  4. 04-20-2017 08:27 PM #4
    ucfbrett
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    It's the Julian dating system, which is common in manufacturing.
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  5. 04-20-2017 10:40 PM #5
    ELO168
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    Almost 2 years since production.
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  6. 04-27-2017 02:31 PM #6
    EricJoh
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    Quote Originally Posted by ucfbrett View Post
    It's the Julian dating system, which is common in manufacturing.
    Not exactly, Julian Dates are DDDYY where DDD is the day number 1 to 365. COBOL code uses them a lot.
    https://en.wikipedia.org/wiki/Julian_day
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  7. 04-27-2017 02:37 PM #7
    48yota
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    I think he is referring to the top pic, 35th week of 2015, manufactured aprox early august of 2015.
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