1947881

Information

• Patent Grant
• 1947881

• References
• Source

• Patent Number

  1,947,881

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  90 years ago

• CPC

  • B24B19/006 - for grinding hollow glassware, bottles
  • Y10T82/2564 - Tailstock
  • Y10T279/1054 - with resilient means contacting nonresilient jaw
  • Y10T279/1071 - Lever

• US Classifications

  • 451 - Abrading
  • 082 - Turning
  • 279 - Chucks or sockets