CALLBACK FILESYSTEM
Dead / Abandoned — Abandoned — failure to respond (as of 09 Jan 2026)
What this means for you
This application is over — abandoned 26 Dec 2025. The name may be available, but check before relying on it — rights can also come from actual use, not only from the register.
Record
- Serial number
- 99164701
- Mark type
- Stylized text
- Filed
- 30 Apr 2025
- Abandoned
- 26 Dec 2025
- Attorney of record
- Na Zhang
Goods and services
- Class 009 — Scientific and electric apparatus: Downloadable computer software for use in creating virtual file systems and disks to collect and store data remotely, present data as virtual files and folders, and modify data remotely; Downloadable computer software for accessing remote files, local files, and memory data stored remotely
- Class 042 — Scientific and technological services: Troubleshooting of computer software problems; Computer technology support services, namely, help desk services
Owner
- Callback Technologies, Inc., Chapel Hill, NC, US
Prosecution history
- 09 Jan 2026 — ABANDONMENT NOTICE E-MAILED - FAILURE TO RESPOND
- 09 Jan 2026 — ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE
- 24 Sept 2025 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 24 Sept 2025 — NON-FINAL ACTION E-MAILED
- 24 Sept 2025 — NON-FINAL ACTION WRITTEN
- 19 Sept 2025 — ASSIGNED TO EXAMINER
- 10 Sept 2025 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 01 Jul 2025 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 01 Jul 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 01 Jul 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 01 Jul 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 01 Jul 2025 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 01 Jul 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 01 Jul 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 01 Jul 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED