Vintage Koken Barber Chair Serial Number List -

The Ultimate Guide to Vintage Koken Barber Chair Serial Numbers

Conclusion

• Look for Patent Dates cast into the metal base. Common dates include Oct 16, 1906, Oct 18, 1910, and Jan 9, 1912.
• If your chair has these patent dates cast into the iron, the chair was made shortly after those dates (usually within 5–7 years).

Some later models have a small metal plate attached to the back of the chair or the hydraulic cover. Important: Many chairs have casting numbers vintage koken barber chair serial number list

Related search suggestions (for further research): vintage Koken serial numbers, Koken barber chair model list, Koken patent dates. The Ultimate Guide to Vintage Koken Barber Chair

• 1941-1945: Serial numbers 30,001-35,000
• 1946-1950: Serial numbers 35,001-40,000
• 1951-1960: Serial numbers 40,001-50,000

Main Iron Base Casting: Many models have numbers molded directly into the cast iron of the base or near the hydraulic pump. Look for Patent Dates cast into the metal base