| 发明名称 |
Whistle with several chambers |
| 摘要 |
A combination whistle (1) having a mouthpiece (2) leading to bulbous whistle portion (3) which is gripped by hand when blowing into the mouthpiece. Mouthpiece (2) is common to trill chamber (4) and two pea-less chambers (5 and 6), chamber (6) being located under chamber (5).
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| 申请公布号 |
US2003116078(A1) |
申请公布日期 |
2003.06.26 |
| 申请号 |
US20020181113 |
申请日期 |
2002.11.19 |
| 申请人 |
TOPMAN SIMON M.;SHARP MICHAEL C. |
发明人 |
TOPMAN SIMON M.;SHARP MICHAEL C. |
| 分类号 |
G10K5/00;(IPC1-7):G10K5/00 |
主分类号 |
G10K5/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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