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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0050417 (1979-06-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
An umbrella comprises a cover of flexible material attached at its periphery to a resilient one-piece ring. A handle is connected at one end to the cover and at the other end to the ring and serves to support the umbrella in an open or erect position. The ring is sufficiently resilient to be twisted
An umbrella comprising a resilient one-piece ring, a cover made of flexible material, and a handle having first and second ends, wherein said cover is attached adjacent its periphery to said resilient one-piece ring and said first and second ends of said handle are connected to said resilient one-pi
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