3821902

Information

• Patent Grant
• 3821902

• References
• Source

• Patent Number

  3,821,902

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  51 years ago

• CPC

  • B23D57/0076 - Devices for converting any machine for sawing purposes
  • A47J43/087 - for machines with several driving units
  • B23D49/006 - with contiguous, oppositely reciprocating saw blades
  • Y10T74/18024 - Rotary to reciprocating and rotary
  • Y10T74/18032 - Rotary to reciprocating or rotary

• US Classifications

  • 074 - Machine element or mechanism
  • 310 - Electrical generator or motor structure
  • 366 - Agitating