| Event Date | Event Description |
| Friday, March 20, 2020 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Wednesday, June 27, 2018 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, April 11, 2018 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, May 27, 2015 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, November 27, 2013 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, November 27, 2013 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Wednesday, April 25, 2012 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Thursday, September 25, 2008 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, September 25, 2008 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Wednesday, December 19, 2007 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Friday, September 22, 2006 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Friday, September 22, 2006 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Wednesday, May 17, 2006 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Friday, April 29, 2005 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Friday, April 29, 2005 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Monday, April 25, 2005 | ASSIGNED TO PARALEGAL |
| Monday, March 28, 2005 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Monday, March 28, 2005 | PAPER RECEIVED |
| Thursday, August 23, 1990 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, June 18, 1990 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Tuesday, March 19, 1985 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, January 8, 1985 | PUBLISHED FOR OPPOSITION |
| Monday, December 24, 1984 | NOTICE OF PUBLICATION |
| Tuesday, October 30, 1984 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, October 17, 1984 | ASSIGNED TO EXAMINER |