Plastic safety ramp

• US 3,357,370 A
• Filed: 07/01/1966
• Issued: 12/12/1967
• Est. Priority Date: 07/01/1966
• Status: Expired due to Term

• Current Assignee: George J. Walkey
• Original Assignee: George J. Walkey
• Inventors: Walkey, George J.
• Application Number:
  US04/562,196
• Time in Patent Office: 529 Days
• US Class Current: 104/275
• CPC Class Codes: A62C 33/06 Hose or pipe bridges
• CPC Class Codes: E04F 11/00 Stairways, ramps, or like structures mounting or marking-off stairways E04F21/26; of temporary use during building construction E04G27/00; means for facilitating access to swimming pools E04H4/144; means for facilitating access to swimming pools E04H4/144; appliances for aiding patients or disabled persons to walk A61H3/00; Balustrades; Handrails ladders permanently attached to fixed structures E06C9/00
• CPC Class Codes: E06B 1/70 Sills; Thresholds

Claims

1. A RAMP COMPRISING:

A BASE;

A TOP COVER MEANS CONNECTED TO SAID BASE AND ENCLOSING AN AREA THEREBETWEEN, SAID TOP COVER MEANS HAVING AT LEAST ONE INCLINED SURFACE DIVERGING FROM SAID BASE;

SUPPORT MEANS DISPOSED BETWEEN SAID BASE AND SAID TOP COVER MEANS FOR SUPPORTING LOADS ON SAID TOP COVER MEANS;

CONDUIT MEANS DISPOSED BETWEEN SAID BASE AND SAID TOP COVER MEANS FOR RECEIVING ELEMENTS THERETHROUGH;

AND FILLER MEANS DISPOSED THROUGHOUT THE AREA ENCLOSED BETWEEN SAID BASE AND SAID TOP COVER MEANS, AND WHEREIN SAID FILLER MEANS IS A NON-FLAMMABLE, HIGH RESISTANCE, HIGH STRENGTH-TO-WEIGHT MATERIAL.