1954545

Information

• Patent Grant
• 1954545

• References
• Source

• Patent Number

  1,954,545

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1934
  90 years ago

• CPC

  • B21D39/063 - for assembling ladders
  • E06C1/16 - with hinged struts which rest on the ground
  • E06C7/08 - Special construction of longitudinal members, or rungs or other treads
  • Y10T29/49616 - Structural member making
  • Y10T29/49908 - Joining by deforming
  • Y10T29/49915 - Overedge assembling of seated part
  • Y10T29/5118 - Riveting

• US Classifications

  • 029 - Metal working
  • 144 - Woodworking
  • 182 - Fire escape, ladder, or scaffold
  • 269 - Work holders