| Event Date | Event Description |
| Wednesday, April 10, 2019 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Monday, June 24, 2013 | CANCELLED SEC. 8 (10-YR) |
| Wednesday, November 4, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, October 28, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, June 3, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, March 12, 2008 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, March 5, 2008 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Tuesday, February 26, 2008 | CASE FILE IN TICRS |
| Wednesday, February 7, 2007 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, January 10, 2007 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Thursday, May 11, 2006 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, March 31, 2003 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Saturday, February 23, 2002 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Saturday, February 23, 2002 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, December 13, 2001 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Tuesday, October 21, 1986 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, July 14, 1986 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Tuesday, June 9, 1981 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, March 17, 1981 | PUBLISHED FOR OPPOSITION |
| Tuesday, February 3, 1981 | NOTICE OF PUBLICATION |
| Thursday, September 11, 1980 | LETTER OF SUSPENSION MAILED |
| Friday, June 6, 1980 | ASSIGNED TO EXAMINER |
| Monday, January 7, 1980 | ASSIGNED TO EXAMINER |