| Event Date | Event Description |
| Thursday, August 31, 1989 | ASSIGNED TO EXAMINER |
| Monday, August 14, 1989 | ABANDONMENT - EXPRESS MAILED |
| Wednesday, January 4, 1989 | NON-FINAL ACTION MAILED |
| Thursday, October 6, 1988 | LETTER OF SUSPENSION MAILED |
| Wednesday, September 28, 1988 | LETTER OF SUSPENSION MAILED |
| Tuesday, September 6, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, March 3, 1988 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, November 17, 1987 | ASSIGNED TO EXAMINER |
| Friday, September 11, 1987 | LETTER OF SUSPENSION MAILED |
| Wednesday, August 26, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, March 11, 1987 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Friday, March 6, 1987 | INQUIRY AS TO SUSPENSION MAILED |
| Wednesday, April 2, 1986 | LETTER OF SUSPENSION MAILED |
| Wednesday, April 2, 1986 | ASSIGNED TO EXAMINER |
| Monday, March 17, 1986 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, October 16, 1985 | NON-FINAL ACTION MAILED |
| Wednesday, October 9, 1985 | ASSIGNED TO EXAMINER |