3302750

Information

• Patent Grant
• 3302750

• References
• Source

• Patent Number

  3,302,750

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  57 years ago

• CPC

  • B66C23/205 - for use on top of roofs
  • E04G3/34 - characterised by supporting structures provided on the roofs

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle