3432969

Information

• Patent Grant
• 3432969

• References
• Source

• Patent Number

  3,432,969

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1969
  55 years ago

• CPC

  • E01H1/08 - Pneumatically dislodging or taking-up undesirable matter or small objects Drying by heat only or by streams of gas Cleaning by projecting abrasive particles
  • E01C23/0906 - for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks

• US Classifications

  • 451 - Abrading
  • 404 - Road structure, process, or apparatus