| Event Date | Event Description |
| Tuesday, November 5, 1991 | ABANDONMENT - EXPRESS MAILED |
| Tuesday, November 5, 1991 | ASSIGNED TO EXAMINER |
| Tuesday, October 22, 1991 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, August 9, 1991 | INQUIRY AS TO SUSPENSION MAILED |
| Friday, August 9, 1991 | ASSIGNED TO EXAMINER |
| Monday, July 30, 1990 | LETTER OF SUSPENSION MAILED |
| Thursday, July 19, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, June 13, 1990 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, November 14, 1989 | LETTER OF SUSPENSION MAILED |
| Wednesday, November 8, 1989 | ASSIGNED TO EXAMINER |
| Wednesday, October 18, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, July 7, 1989 | INQUIRY AS TO SUSPENSION MAILED |
| Thursday, July 6, 1989 | ASSIGNED TO EXAMINER |
| Thursday, February 9, 1989 | LETTER OF SUSPENSION MAILED |
| Thursday, February 9, 1989 | ASSIGNED TO EXAMINER |
| Monday, January 23, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, October 21, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, January 23, 1989 | PETITION TO REVIVE-GRANTED |
| Friday, October 21, 1988 | PETITION TO REVIVE-RECEIVED |
| Monday, November 14, 1988 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Monday, November 14, 1988 | ASSIGNED TO EXAMINER |
| Friday, March 18, 1988 | NON-FINAL ACTION MAILED |
| Monday, July 20, 1987 | LETTER OF SUSPENSION MAILED |
| Monday, June 8, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, January 13, 1987 | NON-FINAL ACTION MAILED |
| Monday, January 5, 1987 | ASSIGNED TO EXAMINER |
| Thursday, November 13, 1986 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, May 13, 1986 | NON-FINAL ACTION MAILED |
| Friday, February 14, 1986 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, February 18, 1986 | ASSIGNED TO EXAMINER |