| Primary Embossing | Index | Base Type | Front Skirt | Rear Skirt | Colors Reported | Notes | Ref. # |
|---|---|---|---|---|---|---|---|
| Pyrex | 015 | SB |
. . . CORNING PYREX T. M. REG. U.S. PAT. OFF. MADE IN U.S.A. . . |
|
clear |
(top portion only of cd248/311/311) dot above P,Y,R and below E,X |
G248P115.D3.D2 |