PERMAPHASE Trademark
Trademark Overview
On Thursday, June 3, 1971, a trademark application was filed for PERMAPHASE with the United States Patent and Trademark Office. The USPTO has given the PERMAPHASE trademark a serial number of 72393799. The federal status of this trademark filing is EXPIRED as of Monday, January 25, 1993. This trademark is owned by E. I. DU PONT DE NEMOURS AND COMPANY. The PERMAPHASE trademark is filed in the Chemical Products category with the following description:
SUPERFICIALLY POROUS SPHERICAL PARTICLES FOR USE AS CHROMATOGRAPHIC COLUMN PACKING MATERIAL
General Information
| Serial Number | 72393799 |
| Word Mark | PERMAPHASE |
| Filing Date | Thursday, June 3, 1971 |
| Status | 900 - EXPIRED |
| Status Date | Monday, January 25, 1993 |
| Registration Number | 0932579 |
| Registration Date | Tuesday, April 18, 1972 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Goods and Services | SUPERFICIALLY POROUS SPHERICAL PARTICLES FOR USE AS CHROMATOGRAPHIC COLUMN PACKING MATERIAL |
Classification Information
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 031 |
| Class Status Code | 9 - Expired |
| Class Status Date | Monday, January 25, 1993 |
| Primary Code | 031 |
| First Use Anywhere Date | Tuesday, April 6, 1971 |
| First Use In Commerce Date | Tuesday, April 6, 1971 |
Trademark Owner History
| Party Name | E. I. DU PONT DE NEMOURS AND COMPANY |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | WILMINGTON, DE 19898 |
Trademark Events
| Event Date | Event Description |
| Monday, January 25, 1993 | EXPIRED SEC. 9 |
| Tuesday, April 11, 1978 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
