×

Bottom quick-opening door for coking tower or chamber

  • US 3,379,623 A
  • Filed: 04/16/1964
  • Issued: 04/23/1968
  • Est. Priority Date: 04/16/1964
  • Status: Expired due to Term
First Claim
Patent Images

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×