Vintage Koken Barber Chair Serial Number List ~repack~ [ FHD ]

: Check the iron base casting or the metal plate where the chair connects to the hydraulic pump.

Serial numbers during this era were often stamped into the circular brass ring at the base of the pump handle or on the inner rim of the porcelain base shroud. Checklist for Verifying a Vintage Koken Chair

Low digits (3 to 5 digits long) stamped directly into the wooden frame underside or on the iron bracket holding the headrest. 2. The Congress and Hydraulic Boom (1904–1915)

Flip the footrest up; some models have a sequence stamped on the back plate.

Capture the "Koken Companies St. Louis" logo text variant to trace the business's evolving name.

The most reliable way to establish a baseline age is by looking for stamped patent dates. A chair cannot be older than the latest patent date stamped onto its frame.

While no two numbers are the same, Koken serial numbers follow certain patterns that can offer clues. The database above is the most direct comparison tool, but understanding the formatting can help you make an educated guess.

Before you search for a list, you must find the number. On a vintage Koken barber chair, look in these three places (in order of likelihood):