October 1915 Chemicals Trademarks by day
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
Chemicals Trademarks filed in October 1915
OXWELD
Filed: October 30, 1915
WELDINGFLUX
Owned by: OXWELD ACETYLENE COMPANY
Serial Number: 71090236
P.Q. CO
Filed: October 22, 1915
SODIUM SILICATE
Owned by: PHILADELPHIA QUARTZ COMPANY
Serial Number: 71090034
