3537643

Information

• Patent Grant
• 3537643

• References
• Source

• Patent Number

  3,537,643

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1970
  54 years ago

• CPC

  • F15C1/007 - for indicating devices for fluid signals

• US Classifications

  • 235 - Registers
  • 116 - Signals and indicators
  • 359 - Optical: systems and elements