| Event Date | Event Description |
| Monday, September 17, 2001 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Tuesday, June 19, 2001 | CONTINUATION OF FINAL REFUSAL MAILED |
| Friday, April 13, 2001 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Friday, December 15, 2000 | CONTINUATION OF FINAL REFUSAL MAILED |
| Monday, October 16, 2000 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, August 24, 2000 | NON-FINAL ACTION MAILED |
| Monday, August 21, 2000 | USE AMENDMENT ACCEPTED |
| Monday, May 15, 2000 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, August 3, 2000 | AMENDMENT TO USE PROCESSING COMPLETE |
| Monday, May 15, 2000 | USE AMENDMENT FILED |
| Tuesday, January 4, 2000 | NON-FINAL ACTION MAILED |
| Friday, October 29, 1999 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, December 8, 1999 | PETITION TO REVIVE-GRANTED |
| Monday, September 27, 1999 | PETITION TO REVIVE-RECEIVED |
| Thursday, September 9, 1999 | PETITION TO REVIVE-DENIED |
| Thursday, June 17, 1999 | PETITION TO REVIVE-RECEIVED |
| Thursday, June 17, 1999 | INCOMPLETE PETITION NOTICE MAILED |
| Friday, April 2, 1999 | PETITION TO REVIVE-RECEIVED |
| Thursday, March 4, 1999 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Tuesday, June 30, 1998 | FINAL REFUSAL MAILED |
| Tuesday, June 2, 1998 | EXAMINER'S AMENDMENT MAILED |
| Monday, April 6, 1998 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, October 27, 1997 | NON-FINAL ACTION MAILED |
| Monday, September 29, 1997 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, March 31, 1997 | NON-FINAL ACTION MAILED |
| Wednesday, March 26, 1997 | ASSIGNED TO EXAMINER |