1183977

Information

• Patent Grant
• 1183977

• References
• Source

• Patent Number

  1,183,977

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1916
  108 years ago

• CPC

  • G01B3/56 - Gauges for measuring angles or tapers
  • Y10S164/09 - Piston-vacuum

• US Classifications

  • 033 - Geometrical instruments
  • 164 - Metal founding
  • 355 - Photocopying