Application History
2 eventsDate | Code | Type | Description |
---|---|---|---|
May 4, 1993 | EXRG | O | EXPIRED SEC. 9 |
Jul 29, 1972 | REN1 | R | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
Additional Information
Other
THE DRAWING IS LINED FOR RED AND BLUE.
USPTO Documents
Loading USPTO documents...