4C AIR
Live / Registered — Registered (as of 29 Dec 2020)
What this means for you
Registered since 29 Dec 2020. The owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 88893012
- Registration number
- 6231912
- Mark type
- Stylized text
- Filed
- 29 Apr 2020
- Published for opposition
- 13 Oct 2020
- Registered
- 29 Dec 2020
- Attorney of record
- Jie (Lisa) Li
Goods and services
- Class 042 — Scientific and technological services: Product quality testing and industrial analysis services for others to assure compliance with industry standards; research, design, and testing services for others in the field of filtration materials and products; technical consultation and advisory services related to the design of filtration materials and products; technical consultation and advisory services related to evaluation of filtration materials and products to determine conformity with certification standards
Owner
- 4C Air, Inc., Sunnyvale, CA, US
- 4C Air, Inc., Sunnyvale, CA, US
- 4C Air, Inc., Sunnyvale, CA, US
Prosecution history
- 29 Dec 2025 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 29 Dec 2020 — REGISTERED-PRINCIPAL REGISTER
- 13 Oct 2020 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 13 Oct 2020 — PUBLISHED FOR OPPOSITION
- 23 Sept 2020 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 10 Sept 2020 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 21 Aug 2020 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 21 Aug 2020 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 21 Aug 2020 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 30 Jul 2020 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 30 Jul 2020 — NON-FINAL ACTION E-MAILED
- 30 Jul 2020 — NON-FINAL ACTION WRITTEN
- 23 Jul 2020 — ASSIGNED TO EXAMINER
- 12 May 2020 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 02 May 2020 — NEW APPLICATION ENTERED