POLYPHASE DUPLEX Trademark
Trademark Overview
On Thursday, May 29, 1924, a trademark application was filed for POLYPHASE DUPLEX with the United States Patent and Trademark Office. The USPTO has given the POLYPHASE DUPLEX trademark a serial number of 71197820. The federal status of this trademark filing is EXPIRED as of Friday, January 10, 1986. This trademark is owned by KEUFFEL & ESSER COMPANY. The POLYPHASE DUPLEX trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:
(CALCULATING) SLIDE RULES
General Information
| Serial Number | 71197820 |
| Word Mark | POLYPHASE DUPLEX |
| Filing Date | Thursday, May 29, 1924 |
| Status | 900 - EXPIRED |
| Status Date | Friday, January 10, 1986 |
| Registration Number | 0190958 |
| Registration Date | Tuesday, October 28, 1924 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Goods and Services | (CALCULATING) SLIDE RULES |
Classification Information
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 026 |
| Class Status Code | 9 - Expired |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 026 |
| First Use Anywhere Date | Friday, June 9, 1911 |
| First Use In Commerce Date | Friday, June 9, 1911 |
Trademark Owner History
| Party Name | KEUFFEL & ESSER COMPANY |
| Party Type | 37 - New Owner After Registration |
| Legal Entity Type | 98 - Unknown |
| Address | NOT AVAILABLE |
Trademark Events
| Event Date | Event Description |
| Friday, January 10, 1986 | EXPIRED SEC. 9 |
