1892813

Information

• Patent Grant
• 1892813

• References
• Source

• Patent Number

  1,892,813

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1933
  92 years ago

• CPC

  • A47B39/04 - Collapsible or tip-up forms
  • A47B39/00 - School forms Benches or forms combined with desks
  • Y10T403/32081 - Parallel rotary
  • Y10T403/32557 - for pivotal motion

• US Classifications

  • 248 - Supports
  • 005 - Beds
  • 403 - Joints and connections