March 1931 Nonmetallic building materials 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 | 31 |
Nonmetallic building materials Trademarks filed in March 1931
Image Trademark
Filed: March 25, 1931
ASPHALT
Owned by: Shell Trademark Management BV
Serial Number: 71312533
RESISTAL
Filed: March 24, 1931
ASBESTOS COMPOSITION BOARD
Owned by: AMBLER ASBESTOS SHINGLE & SHEATHING COMPANY
Serial Number: 71312469
FILTROS
Filed: March 20, 1931
WHITE, RIGID, UNIFORMLY POROUS, ACID-PROOF MINERAL SUBSTANCE COMPOSED ESSENTIALLY OF SILICA WHICH FOR PURPOSES OF MOST GENERAL…
Owned by: Ferro Corporation
Serial Number: 71312337
