Playing surface for athletic games

Details Playing surface for athletic games Playing surface for athletic games

1975-11-18

1977-08-23

McCamish, Marion E.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

Flora

273 29R, 273 29A, 428 87, 428 95, 428331, D03D 2700, D04H 1100

Patent

active

040441792

ABSTRACT:
A playing surface for athletic games, such as tennis, comprising a flat, firm subsurface, a pile fabric disposed on the subsurface comprising a relatively flexible, moisture-impermeable backing and normally generally upstanding pile elements resembling grass, a compacted layer of granular mineral material disposed among the pile elements on the backing to a depth from about 75% to substantially equal to the length of the pile elements, the mineral layer comprising less than 10% clay and further comprising a quantity of moisture retaining material sufficient to maintain the moisture content of the mineral layer above about 3% by weight under normal climatic conditions.

REFERENCES:
patent: 3157557 (1964-11-01), Palmer
patent: 3332828 (1967-07-01), Faria
patent: 3661687 (1972-05-01), Spinney
patent: 3740303 (1973-06-01), Alderson
patent: 3900656 (1975-08-01), Schmidt

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