| Event Date | Event Description |
| Wednesday, February 19, 1997 | ABANDONMENT - AFTER EX PARTE APPEAL |
| Thursday, October 16, 1997 | EX PARTE APPEAL-REFUSAL AFFIRMED |
| Thursday, May 23, 1996 | ASSIGNED TO EXAMINER |
| Tuesday, July 23, 1996 | NON-FINAL ACTION MAILED |
| Friday, June 23, 1995 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, April 25, 1995 | NON-FINAL ACTION MAILED |
| Thursday, March 16, 1995 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Monday, January 31, 1994 | EXAMINERS STATEMENT MAILED |
| Thursday, November 18, 1993 | EX PARTE APPEAL-INSTITUTED |
| Tuesday, October 13, 1992 | CONTINUATION OF FINAL REFUSAL MAILED |
| Friday, August 14, 1992 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Monday, November 25, 1991 | ABANDONMENT - INCOMPLETE RESPONSE |
| Monday, November 25, 1991 | PREVIOUS ALLOWANCE COUNT WITHDRAWN |
| Thursday, October 24, 1991 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Thursday, September 19, 1991 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, August 12, 1991 | ALLOWANCE/COUNT WITHDRAWN |
| Monday, May 6, 1991 | CONTINUATION OF FINAL REFUSAL MAILED |
| Tuesday, January 22, 1991 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, November 13, 1990 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Monday, September 10, 1990 | FINAL REFUSAL MAILED |
| Monday, August 13, 1990 | ALLOWANCE/COUNT WITHDRAWN |
| Wednesday, June 13, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, January 11, 1990 | NON-FINAL ACTION MAILED |
| Tuesday, December 12, 1989 | ASSIGNED TO EXAMINER |