| Event Date | Event Description |
| Thursday, February 28, 1991 | ABANDONMENT - AFTER EX PARTE APPEAL |
| Wednesday, February 27, 1991 | EXPARTE APPEAL TERMINATED |
| Thursday, September 20, 1990 | EX PARTE APPEAL-REFUSAL AFFIRMED |
| Friday, June 8, 1990 | EXAMINERS STATEMENT MAILED |
| Wednesday, November 1, 1989 | FINAL REFUSAL MAILED |
| Wednesday, October 4, 1989 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Friday, March 10, 1989 | FINAL REFUSAL MAILED |
| Wednesday, January 11, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, December 30, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, September 12, 1988 | FINAL REFUSAL MAILED |
| Tuesday, August 30, 1988 | ASSIGNED TO EXAMINER |
| Wednesday, July 13, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, April 1, 1988 | NOTICE OF UNRESPONSIVE AMENDMENT - MAILED |
| Thursday, March 31, 1988 | NOTICE OF UNRESPONSIVE AMENDMENT - MAILED |
| Thursday, March 31, 1988 | NOTICE OF UNRESPONSIVE AMENDMENT - MAILED |
| Thursday, March 31, 1988 | NOTICE OF UNRESPONSIVE AMENDMENT - MAILED |
| Tuesday, March 8, 1988 | NOTICE OF UNRESPONSIVE AMENDMENT - MAILED |
| Friday, February 12, 1988 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Monday, January 25, 1988 | NON-FINAL ACTION MAILED |
| Monday, January 11, 1988 | ASSIGNED TO EXAMINER |
| Tuesday, December 22, 1987 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Monday, April 6, 1987 | EX PARTE APPEAL-INSTITUTED |
| Friday, August 15, 1986 | FINAL REFUSAL MAILED |
| Tuesday, August 12, 1986 | ASSIGNED TO EXAMINER |
| Tuesday, January 21, 1986 | NON-FINAL ACTION MAILED |
| Monday, November 25, 1985 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, May 21, 1985 | NON-FINAL ACTION MAILED |
| Monday, April 29, 1985 | ASSIGNED TO EXAMINER |
| Wednesday, April 10, 1985 | ASSIGNED TO EXAMINER |