1558943

Information

• Patent Grant
• 1558943

• References
• Source

• Patent Number

  1,558,943

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1925
  99 years ago

• CPC

  • E01B31/15 - by planing or filing
  • Y10T409/50 - Planing

• US Classifications

  • 104 - Railways
  • 409 - Gear cutting, milling, or planing