|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||5/417; 5/419; 5/420; 5/485|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 52 인용 특허 : 45|
A towel-mat includes a frame member being formed from a flexible twistable material, a first membrane and a second membrane. The first membrane has a perimeter portion to which a frame member is attached. The second membrane has a perimeter portion. The second membrane is removably attachable to the first membrane.
1. A collapsible apparatus comprising:a first membrane having a perimeter; a second membrane coupled to said first membrane proximate said perimeter; a frame member being formed from a flexible twistable material, said frame member being disposed between said first membrane and said second membrane; and a cushion receiving portion formed between said first membrane and said second membrane.