DUOLOC Trademark
Trademark Overview
On Wednesday, June 3, 1970, a trademark application was filed for DUOLOC with the United States Patent and Trademark Office. The USPTO has given the DUOLOC trademark a serial number of 72361581. The federal status of this trademark filing is EXPIRED as of Monday, December 6, 1993. This trademark is owned by KEYSTONE INDUSTRIES, INC.. The DUOLOC trademark is filed in the Vehicles & Locomotive Products category with the following description:
HOPPER DOOR LOCKS FOR RAILROAD HOPPER CARS
General Information
| Serial Number | 72361581 |
| Word Mark | DUOLOC |
| Filing Date | Wednesday, June 3, 1970 |
| Status | 900 - EXPIRED |
| Status Date | Monday, December 6, 1993 |
| Registration Number | 0954231 |
| Registration Date | Tuesday, February 27, 1973 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Goods and Services | HOPPER DOOR LOCKS FOR RAILROAD HOPPER CARS |
| Pseudo Mark | DUOLOCK |
Classification Information
| International Class | 012 - Vehicles; apparatus for locomotion by land, air, or water. |
| US Class Codes | 019 |
| Class Status Code | 9 - Expired |
| Class Status Date | Monday, December 6, 1993 |
| Primary Code | 019 |
| First Use Anywhere Date | Monday, May 18, 1970 |
| First Use In Commerce Date | Monday, May 18, 1970 |
Trademark Owner History
| Party Name | KEYSTONE INDUSTRIES, INC. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | CHICAGO, IL 60604 |
Trademark Events
| Event Date | Event Description |
| Monday, December 6, 1993 | EXPIRED SEC. 9 |
| Tuesday, September 5, 1978 | REGISTERED - SEC. 8 (6-YR) ACCEPTED |
