Patent 3206122 - 3206122
| United States Patent | Patent Number 3,206,122 |
| Issue Date: | Issued September 14, 1965 |
| Current U.S. Class: | 238/10F - 104/247 - 104/298 - 104/60 - 191/22C - 191/58 - 191/591 - 238/12 - 246/415A |
| Current International Class: | A63H018/00 (20060101) A63H018/12 (20060101) A63H018/02 (20060101) |
| Current CPC Class: | A63H 18/023 (20130101); A63H 18/12 (20130101); A63H 18/02 (20130101) |
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