3645442

Information

• Patent Grant
• 3645442

• References
• Source

• Patent Number

  3,645,442

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • F15C1/12 - Multiple arrangements thereof for performing operations of the same kind

• US Classifications

  • 235 - Registers