| Serial Number | 72038971 |
| Word Mark | CHEK-LOK |
| Filing Date | Wednesday, October 16, 1957 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, January 4, 2019 |
| Registration Number | 0674424 |
| Registration Date | Tuesday, February 24, 1959 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Pseudo Mark | CHECK-LOCK |
| Goods and Services | EXCESS FLOW AND SHUT-OFF VALVES AND LIQUID TRANSFER CONNECTIONS AND PARTS THEREFOR |
| International Class | 006 - Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; nonelectric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores. |
| US Class Codes | 013 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 013 |
| First Use Anywhere Date | Monday, April 22, 1957 |
| First Use In Commerce Date | Monday, April 22, 1957 |
| Party Name | ENGINEERED CONTROLS INTERNATIONAL, LLC |
| Party Type | 44 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | ELON, NC 27244 |
| Party Name | ENGINEERED CONTROLS INTERNATIONAL, INC. |
| Party Type | 43 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | ELON COLLEGE, NC 27244 |
| Party Name | BASTIAN-BLESSING COMPANY, THE |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | CHICAGO, IL |
| Event Date | Event Description |
| Saturday, February 24, 1979 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| Thursday, August 12, 1999 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Wednesday, November 5, 2003 | PAPER RECEIVED |
| Saturday, September 2, 2006 | REVIEW OF CORRESPONDENCE COMPLETE |
| Tuesday, August 19, 2008 | TEAS SECTION 8 & 9 RECEIVED |
| Wednesday, August 27, 2008 | ASSIGNED TO PARALEGAL |
| Tuesday, January 27, 2009 | CASE FILE IN TICRS |
| Wednesday, December 18, 2013 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, March 7, 2018 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Friday, December 14, 2018 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, January 4, 2019 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Monday, May 24, 1999 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Saturday, August 30, 2008 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Saturday, August 30, 2008 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Wednesday, April 6, 2011 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, March 15, 2017 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Saturday, February 24, 2018 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, January 4, 2019 | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) |
| Friday, January 4, 2019 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Monday, September 15, 2025 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, September 15, 2025 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Monday, September 15, 2025 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |