| Event Date | Event Description |
| Friday, September 8, 2000 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Tuesday, September 5, 2000 | ASSIGNED TO EXAMINER |
| Thursday, August 24, 2000 | ASSIGNED TO EXAMINER |
| Tuesday, January 18, 2000 | NON-FINAL ACTION MAILED |
| Tuesday, January 11, 2000 | ASSIGNED TO EXAMINER |
| Friday, April 30, 1999 | ASSIGNED TO EXAMINER |
| Tuesday, February 17, 1998 | LETTER OF SUSPENSION MAILED |
| Thursday, May 15, 1997 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Tuesday, June 24, 1997 | NON-FINAL ACTION MAILED |
| Thursday, May 15, 1997 | ASSIGNED TO EXAMINER |
| Thursday, May 8, 1997 | REINSTATED |
| Monday, December 30, 1996 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Thursday, July 18, 1996 | ASSIGNED TO EXAMINER |
| Friday, April 19, 1996 | NON-FINAL ACTION MAILED |
| Wednesday, March 27, 1996 | ASSIGNED TO EXAMINER |
| Monday, March 25, 1996 | REINSTATED |
| Thursday, January 11, 1996 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Wednesday, August 23, 1995 | ASSIGNED TO EXAMINER |
| Saturday, April 29, 1995 | ASSIGNED TO EXAMINER |
| Monday, November 7, 1994 | NON-FINAL ACTION MAILED |
| Thursday, October 13, 1994 | ASSIGNED TO EXAMINER |
| Friday, October 7, 1994 | ASSIGNED TO EXAMINER |