Patents by Inventor R. Rand Cushing

R. Rand Cushing has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Swimming pool protector and converter
    Patent number: 5092000
    Abstract: Apparatus for converting a swimming pool into a skating rink and preserving the structural integrity of the pool, the pool comprising a water basin having a rim extending around the top edge of the basin, the basin being filled with water up to a predetermined level below the rim, the apparatus comprising a plurality of impact resistant cornices overlying the rim and extending around the circumference of the pool in sequential array; each cornice comprising a top plate overlying the top edge of the pool and a flange plate attached to and extending the length of the forward edge of the top plate, the flange plate extending downwardly into the basin a predetermined level below the surface of the water within the basin; the cornices being sequentially arranged around the rim of the pool such that the left side of the flange plate of each cornice is aligned substantially parallel to and closely adjacent to the right side of the flange plate of each immediately adjacent cornice.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: March 3, 1992
    Inventor: R. Rand Cushing
  • Swimming pool protector and converter
    Patent number: 4890342
    Abstract: Apparatus for converting a swimming pool into a skating rink and preserving the structural integrity of the pool, the pool comprising a water basin having a rim extending around the top edge of the basin, the basin being filled with water up to a predetermined level below the rim, the apparatus comprising a plurality of impact resistant cornices overlying the rim and extending around the circumference of the pool in sequential array; each cornice comprising a top plate overlying the top edge of the pool and a flange plate attached to and extending the length of the forward edge of the top plate, the flange plate extending downwardly into the basin a predetermined level below the surface of the water within the basin; the cornices being sequentially arranged around the rim of the pool such that the left side of the flange plate of each cornice is aligned substantially parallel to and closely adjacent to the right side of the flange plate of each immediately adjacent cornice.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: January 2, 1990
    Inventor: R. Rand Cushing
  • Swimming pool protector and converter
    Patent number: 4807309
    Abstract: An apparatus for converting a swimming pool into a skating rink and preserving the structural integrity of the pool, the pool comprising a water basin and a ledge extending around the top edge of the basin, the ledge protruding inwardly over the edge of the basin, the basin being filled with water up to a predetermined level below the ledge, the apparatus comprising a sheet completely overlying the ledge and the open top of the basin and extending downwardly into the basin to at least the predetermined level of the water in the basin such that the bottom of the sheet contacts essentially the entire surface of the water in the basin below and inside the ledge; the sheet extending downwardly into the basin and being filled above its top surface with water up to a predetermined level below the ledge; a plurality of impact resistant cornices overlying the sheet and the ledge and extending around the circumference of the pool in sequential array; each cornice comprising a trapezoidal plate overlying the ledge and
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: February 28, 1989
    Inventor: R. Rand Cushing