2987638

Information

• Patent Grant
• 2987638

• References
• Source

• Patent Number

  2,987,638

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1961
  63 years ago

• CPC

  • G04C15/00 - Clocks driven by synchronous motors
  • F16C27/02 - Sliding-contact bearings
  • G04B31/0126 - Metallic step-bearings
  • H02K5/1672 - radially supporting the rotary shaft at both ends of the rotor

• US Classifications

  • 310 - Electrical generator or motor structure
  • 384 - Bearings
  • 968 - Horology