2,968,204 for the single coil pickup patent awarded in 1961 under other for Jaguar, Stratocaster, Duosonic.3,143,028 the patent granted in August 1964 for Fender's adjustable neck construction. (Used since 1957 to the Precision Bass) The DES is the serial number. The serial number for these three models can be found at the bridge plate and is used until about early 1954. Until 1955, the serial number is applied to the bridge plate.As you can see by the overlap of numbers and years, the reference to the actual date of manufacture is rather vague.In 1990, the N came as a prefix to the numbers, which stands for the nineties. Deluxe Series have the same standard but with the addition of a D for the Z, eg. Also here some overlap of numbers, prefixes and year.If the date is unreadable, it can also be written on the body under the pickguard or cavity form the pickups.January 1965 Fender was acquired by CBS Corporation. instrument production history, production dates have been applied to various components.
Here is the S first introduced as a prefix to the serial numbers. The E stands for the decade of the eighties, and was introduced in 1979.Although it is not be traced back directly to the serial numbers.CBS continued to make the guitars using the existing tools, parts, and the numbering system.Most specifications for the Fender guitars are hardly changed.Although there have been periods in which major changes occurred as the acquisition of Fender by CBS, and the transition from CBS Fender to the current owner (Fender Musical Instruments Corporation), most models are in general not changed.