2751988

Information

• Patent Grant
• 2751988

• References
• Source

• Patent Number

  2,751,988

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1956
  68 years ago

• CPC

  • B29D99/0028 - hollow blades
  • B64C27/473 - Constructional features
  • Y10T29/49334 - Utilizing hollow tube blank

• US Classifications

  • 416 - Fluid reaction surfaces
  • 029 - Metal working