1492663

Information

• Patent Grant
• 1492663

• References
• Source

• Patent Number

  1,492,663

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1924
  100 years ago

• CPC

  • B25B27/304 - by compressing coil springs
  • Y10T29/53617 - Transmission spring

• US Classifications

  • 029 - Metal working