发明名称 |
COIN-OPERATED SAFETY LATCH FOR PHONE BOOTHS AND THE LIKE |
摘要 |
A lock for a door, such as the door of a telephone booth, which requires the insertion of a coin to release the lock. When the lock is released to open the door, the coin is returned. The lock can be retained in its released condition until it is desired to return the lock to its locked condition to relock the door.
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申请公布号 |
US3685627(A) |
申请公布日期 |
1972.08.22 |
申请号 |
USD3685627 |
申请日期 |
1970.10.07 |
申请人 |
WILLIAM DAVIS;MOSES STEVENSON |
发明人 |
WILLIAM DAVIS;MOSES STEVENSON |
分类号 |
G07F5/00;G07F17/12;(IPC1-7):G07F5/00 |
主分类号 |
G07F5/00 |
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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