| Event Date | Event Description |
| Wednesday, August 12, 1992 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Monday, December 23, 1991 | NON-FINAL ACTION MAILED |
| Friday, December 6, 1991 | ASSIGNED TO EXAMINER |
| Monday, July 1, 1991 | LETTER OF SUSPENSION MAILED |
| Friday, June 28, 1991 | ASSIGNED TO EXAMINER |
| Saturday, December 1, 1990 | LETTER OF SUSPENSION MAILED |
| Friday, November 30, 1990 | ASSIGNED TO EXAMINER |
| Monday, September 10, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, December 4, 1989 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Friday, August 10, 1990 | ASSIGNED TO EXAMINER |
| Monday, July 23, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, March 9, 1990 | NON-FINAL ACTION MAILED |
| Monday, December 4, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, February 28, 1989 | LETTER OF SUSPENSION MAILED |
| Monday, January 9, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, July 11, 1988 | NON-FINAL ACTION MAILED |
| Wednesday, July 6, 1988 | ASSIGNED TO EXAMINER |
| Monday, June 13, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, December 11, 1987 | NON-FINAL ACTION MAILED |
| Wednesday, September 16, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, September 28, 1987 | ASSIGNED TO EXAMINER |
| Wednesday, August 26, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, May 27, 1987 | FINAL REFUSAL MAILED |
| Thursday, March 12, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, November 6, 1986 | NON-FINAL ACTION MAILED |
| Thursday, September 18, 1986 | ASSIGNED TO EXAMINER |