1541549

Information

• Patent Grant
• 1541549

• References
• Source

• Patent Number

  1,541,549

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1925
  99 years ago

• CPC

  • B23C3/32 - Milling helical grooves
  • Y10T409/300448 - with means to advance work or product

• US Classifications

  • 409 - Gear cutting, milling, or planing