RC4
Dead / Cancelled — Cancelled — Section 8 (as of 27 Feb 2026)
What this means for you
This registration has been cancelled; it no longer blocks anyone on its own. 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
- 74463805
- Registration number
- 1911168
- Mark type
- Word mark
- Filed
- 29 Nov 1993
- Published for opposition
- 23 May 1995
- Registered
- 15 Aug 1995
- Next maintenance due
- 15 Aug 2015
- Attorney of record
- Caroline Chicoine
Goods and services
- Class 009 — Scientific and electric apparatus: computer software which encrypts information to conceal it during storage or transmission through use of a symmetric stream encryption algorithm
Owner
- RSA SECURITY USA, LLC, BURLINGTON, MA, US
- DELL INC., Bedford, MA, US
- EMC CORPORATION, HOPKINTON, MA, US
- RSA SECURITY, INC., BEDFORD, MA, US
- RSA Data Security, Inc., Redwood City, CA, US
- RSA Data Security, Inc., Redwood City, CA, US
- RSA Data Security, Inc., Redwood City, CA, US
Prosecution history
- 27 Feb 2026 — CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
- 01 Jan 2025 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 15 Aug 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 22 Apr 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 22 Apr 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 22 Apr 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 23 Jun 2022 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 04 May 2022 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 12 May 2021 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 09 Dec 2020 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 18 Nov 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 18 Nov 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 18 Nov 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 18 Nov 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 18 Nov 2020 — TEAS CHANGE OF OWNER ADDRESS RECEIVED