Patent Assignment
Reel/Frame 010426/0254
Assignment of Assignor's Interest
Recorded: 1999-11-30
Pages: 2
Assignor
SEMAAN, G.
Executed: 1999-11-30
Assignee
CYRAS SYSTEMS, INC.
46832 LAKEVIEW BLVD., FREMONT, CALIFORNIA, 94538
Covered Property
(1)
Method and System for Protecting Frame Relay Traffic Over Sonet Rings
Patent:
6,850,483 →
Application:
09/451,393 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 10, 2003
From: CYRAS SYSTEMS, LLC
To: CIENA CORPORATION
Reel/Frame 014585/0937 →
Assignment of Assignor's Interest
Jan 15, 2004
From: CYRAS SYSTEMS, LLC
To: CIENA CORPORATION
Reel/Frame 014886/0864 →
Security Interest
Jul 15, 2014
From: CIENA CORPORATION
To: DEUTSCHE BANK AG NEW YORK BRANCH
Reel/Frame 033329/0417 →
Patent Security Agreement
Jul 16, 2014
From: CIENA CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 033347/0260 →
Release of Security Interest
Oct 30, 2019
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: CIENA CORPORATION
Reel/Frame 050938/0389 →
Patent Security Agreement
Nov 8, 2019
From: CIENA CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 050969/0001 →
Release of Security Interest
Nov 20, 2023
From: BANK OF AMERICA, N.A.
To: CIENA CORPORATION
Reel/Frame 065630/0232 →