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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0288726 (1981-07-31) |
우선권정보 | TW-0021791 (1981-04-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
A clipboard comprises a backing board, a clip mount attached to one end of the backing board, and a clip pivoted at the clip mount. The clip mount has an elevated portion indented with two spaced grooves each receiving an insert. These two inserts receive two coil springs which are sleeved and secur
A clipboard, comprising: a backing board; at least two inserts; a clip mount attached to one end of said backing board, said clip mount having an elevated portion and two grooves, said grooves located on each side of said elevated portion and said inserts being inserted in said grooves; a clip said
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