1012822

Information

• Patent Grant
• 1012822

• References
• Source

• Patent Number

  1,012,822

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1911
  113 years ago

• CPC

  • B63H1/28 - Other means for improving propeller efficiency
  • B63H2001/145 - comprising blades of two or more different types
  • Y10T225/20 - Severing by manually forcing against fixed edge
  • Y10T225/237 - With individual blade for each source
  • Y10T225/282 - With fixed blade and support for wound package

• US Classifications

  • 225 - Severing by tearing or breaking
  • 242 - Winding, tensioning, or guiding