Surety, LLC
Records under this name other than patents Surety, LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to Surety, LLC
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,146,009 | Secure electronic messaging system requiring key retrieval for deriving decryption keys Term ended Term ended Sep 5, 2024 · From the USPTO record | Term ended | Term ended Sep 5, 2024 | From the USPTO record |
| US 6,807,277 | Secure messaging system with return receipts Term ended Term ended May 15, 2022 · From the USPTO record | Term ended | Term ended May 15, 2022 | From the USPTO record |
| US 7,047,404 | Method and apparatus for self-authenticating digital records Term ended Term ended May 16, 2020 · From the USPTO record | Term ended | Term ended May 16, 2020 | From the USPTO record |
| US 5,373,561 | Method of extending the validity of a cryptographic certificate Term ended Term ended no later than Dec 13, 2014 · Low confidence | Term ended | Term ended no later than Dec 13, 2014 | Low confidence |
| US 5,781,629 | Digital document authentication system Term ended Term ended no later than Jul 14, 2018 · Low confidence | Term ended | Term ended no later than Jul 14, 2018 | Low confidence |