1541978

Information

• Patent Grant
• 1541978

• References
• Source

• Patent Number

  1,541,978

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1925
  99 years ago

• CPC

  • B27M3/10 - of airscrew blades

• US Classifications

  • 416 - Fluid reaction surfaces
  • 264 - Plastic and nonmetallic article shaping or treating: processes