1563145

Information

• Patent Grant
• 1563145

• References
• Source

• Patent Number

  1,563,145

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1925
  100 years ago

• CPC

  • A47B39/02 - Adjustable forms
  • A47B39/04 - Collapsible or tip-up forms
  • A47B39/00 - School forms Benches or forms combined with desks
  • Y10S164/08 - Piston

• US Classifications

  • 248 - Supports