1991263

Information

• Patent Grant
• 1991263

• References
• Source

• Patent Number

  1,991,263

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  89 years ago

• CPC

  • G01F23/0023 - with a probe suspended by a wire or thread
  • B65H75/4436 - Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding
  • G01C13/008 - measuring depth of open water

• US Classifications

  • 242 - Winding, tensioning, or guiding