1783886

Information

• Patent Grant
• 1783886

• References
• Source

• Patent Number

  1,783,886

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1930
  94 years ago

• CPC

  • B23P15/06 - piston rings from one piece
  • Y10T29/49277 - including casting or molding
  • Y10T428/12188 - having marginal feature for indexing or weakened portion for severing
  • Y10T428/12243 - Disk
  • Y10T428/12389 - having variation in thickness

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working