Nelson Information Systems
Records under this name other than patents Nelson Information Systems 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 Nelson Information Systems
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,548,917 | Database and Index Organization for Enhanced Document Retrieval Term ended Term ended Jan 6, 2026 · High confidence | Term ended | Term ended Jan 6, 2026 | High confidence |
| US 8,782,050 | Database and Index Organization for Enhanced Document Retrieval Term ended Term ended Jan 6, 2026 · High confidence | Term ended | Term ended Jan 6, 2026 | High confidence |
| US 8,458,185 | Database and index organization for enhanced document retrieval Term ended Ended no later than May 6, 2025 · From the USPTO record | Term ended | Ended no later than May 6, 2025 | From the USPTO record |
| US 8,938,458 | Database and Index Organization for Enhanced Document Retrieval Term ended Ended no later than May 6, 2025 · Low confidence | Term ended | Ended no later than May 6, 2025 | Low confidence |
| US 8,204,852 | Database and Index Organization for Enhanced Document Retrieval Lapsed on the fee record Ended Jun 19, 2024 · High confidence | Lapsed on the fee record | Ended Jun 19, 2024 | High confidence |