| Serial Number | 71627720 |
| Word Mark | KEYSTONE |
| Filing Date | Monday, April 7, 1952 |
| Status | 900 - EXPIRED |
| Status Date | Wednesday, July 29, 1987 |
| Registration Number | 0578801 |
| Registration Date | Tuesday, August 18, 1953 |
| Mark Drawing | 3000 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | STEEL SHEETS |
| International Class | 006 - Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; nonelectric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores. |
| US Class Codes | 014 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 014 |
| First Use Anywhere Date | Sunday, June 30, 1912 |
| First Use In Commerce Date | Sunday, June 30, 1912 |
| Party Name | UNITED STATES STEEL COMPANY |
| Party Type | 37 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | PITTSBURGH, PA |
| Event Date | Event Description |
| Wednesday, July 29, 1987 | EXPIRED SEC. 9 |