2156905

Information

• Patent Grant
• 2156905

• References
• Source

• Patent Number

  2,156,905

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1939
  85 years ago

• CPC

  • G01B3/1041 - Casings
  • G01B3/1082 - Details of the tape per se
  • G01B2003/1046 - external shape; elements for generating an offset
  • G01B2003/1051 - plurality of tapes within the same casing
  • G01B2003/1066 - Index sliding on tape

• US Classifications

  • 033 - Geometrical instruments