Trench filling and shoulder spreading machine

• US 3,015,261 A
• Filed: 04/25/1958
• Issued: 01/02/1962
• Est. Priority Date: 04/25/1958
• Status: Expired due to Term

• Current Assignee: Raymore D. Macdonald
• Original Assignee: Raymore D. Macdonald
• Inventors: Macdonald, Raymore D.
• Application Number:
  US03/730,943
• Time in Patent Office: 1,348 Days
• US Class Current: 404/104
• CPC Class Codes: E01C 19/15 for laying-down uncoated stone or similar materials, or for striking-off or spreading same without compacting, e.g. for crushed rock base courses, sand cushions for paving E01C19/466 , E01C19/52 take precedence; distributing E01C19/20; laying down and rolling E01C19/482
• CPC Class Codes: E01C 19/185 for both depositing and spreading-out or striking-off the deposited mixture laying-down the materials and consolidating them, or finishing the surface, E01C19/48
• CPC Class Codes: E02F 3/7686 with the vertical centre-line of the scraper blade disposed laterally relative to the central axis of the frame

Claims