2988972

Information

• Patent Grant
• 2988972

• References
• Source

• Patent Number

  2,988,972

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  64 years ago

• CPC

  • E02D3/046 - by tamping or vibrating
  • E01C19/32 - Hand-held hand-actuated rammers or tampers

• US Classifications

  • 404 - Road structure, process, or apparatus