| Serial Number | 99426528 |
| Word Mark | PEI |
| Filing Date | Friday, October 3, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Tuesday, June 9, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 30, 2026 |
| Goods and Services | High performance liquid chromatography (HPLC) column for laboratory use for analysis of positively charged polymers |
| 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 | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, October 3, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | Tuesday, April 30, 2019 |
| First Use In Commerce Date | Tuesday, April 30, 2019 |
| Party Name | SIELC Technologies Corporation |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Wheeling, IL 60090 US |
| Event Date | Event Description |
| Friday, October 3, 2025 | NEW APPLICATION ENTERED |
| Friday, October 3, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, February 11, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, February 23, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, March 3, 2026 | NON-FINAL ACTION WRITTEN |
| Tuesday, March 3, 2026 | NON-FINAL ACTION E-MAILED |
| Tuesday, March 3, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Monday, June 1, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Monday, June 1, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, June 1, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, June 2, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |