| Event Date | Event Description |
| Tuesday, January 29, 1991 | ABANDONMENT - AFTER EX PARTE APPEAL |
| Saturday, June 1, 1991 | ASSIGNED TO EXAMINER |
| Thursday, May 17, 1990 | EXPARTE APPEAL TERMINATED |
| Friday, September 28, 1990 | EX PARTE APPEAL-REFUSAL AFFIRMED |
| Tuesday, April 24, 1990 | EXAMINERS STATEMENT MAILED |
| Wednesday, April 18, 1990 | ASSIGNED TO EXAMINER |
| Friday, March 9, 1990 | EX PARTE APPEAL-INSTITUTED |
| Thursday, November 16, 1989 | CONTINUATION OF FINAL REFUSAL MAILED |
| Wednesday, September 13, 1989 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Wednesday, September 13, 1989 | EX PARTE APPEAL-INSTITUTED |
| Thursday, August 17, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, March 21, 1989 | FINAL REFUSAL MAILED |
| Saturday, January 28, 1989 | ASSIGNED TO EXAMINER |
| Thursday, June 30, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, February 24, 1988 | NON-FINAL ACTION MAILED |
| Wednesday, November 18, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, July 28, 1987 | FINAL REFUSAL MAILED |
| Friday, April 24, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, April 24, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, March 24, 1987 | NON-FINAL ACTION MAILED |
| Wednesday, October 29, 1986 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, October 22, 1986 | NON-FINAL ACTION MAILED |
| Monday, April 28, 1986 | FINAL REFUSAL MAILED |
| Thursday, December 19, 1985 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, November 26, 1985 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, May 28, 1985 | NON-FINAL ACTION MAILED |
| Friday, May 17, 1985 | ASSIGNED TO EXAMINER |