| Event Date | Event Description |
| Thursday, July 18, 1991 | ABANDONMENT - EXPRESS MAILED |
| Tuesday, July 2, 1991 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, November 15, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, October 31, 1990 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, October 30, 1990 | ASSIGNED TO EXAMINER |
| Thursday, April 12, 1990 | LETTER OF SUSPENSION MAILED |
| Wednesday, March 28, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, March 15, 1990 | INQUIRY AS TO SUSPENSION MAILED |
| Monday, August 14, 1989 | LETTER OF SUSPENSION MAILED |
| Monday, July 24, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, July 7, 1989 | INQUIRY AS TO SUSPENSION MAILED |
| Thursday, July 6, 1989 | ASSIGNED TO EXAMINER |
| Tuesday, December 20, 1988 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Tuesday, December 27, 1988 | LETTER OF SUSPENSION MAILED |
| Tuesday, November 1, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, November 16, 1988 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, November 8, 1988 | ASSIGNED TO EXAMINER |
| Wednesday, June 8, 1988 | ASSIGNED TO EXAMINER |
| Wednesday, May 11, 1988 | LETTER OF SUSPENSION MAILED |
| Wednesday, May 4, 1988 | EXAMINERS AMENDMENT MAILED |
| Friday, March 25, 1988 | NON-FINAL ACTION MAILED |
| Tuesday, January 5, 1988 | NON-FINAL ACTION MAILED |
| Monday, December 7, 1987 | ASSIGNED TO EXAMINER |