Patent 2703315 - 2703315
| United States Patent | Patent Number 2,703,315 |
| Issue Date: | Issued March 1, 1955 |
| Current U.S. Class: | 502/8 - 516/112 |
| Current International Class: | B01J021/00 (20060101) C01F07/00 (20060101) C01F07/02 (20060101) |
| Current CPC Class: | B01J 21/00 (20130101); C01F 7/02 (20130101) |
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