Walker Systems, Inc.
Records under this name other than patents Walker Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,459,632 | In-floor fitting cover assembly Formerly held In force Term ended Sep 20, 2026 · From the USPTO record | In force | Term ended Sep 20, 2026 | From the USPTO record |
| US 7,166,798 | Spring-activated in-floor fitting Formerly held Term ended Term ended Dec 16, 2024 · From the USPTO record | Term ended | Term ended Dec 16, 2024 | From the USPTO record |
| US 7,183,503 | Recessed in-floor fitting Formerly held Term ended Term ended Dec 16, 2024 · From the USPTO record | Term ended | Term ended Dec 16, 2024 | From the USPTO record |
| US 7,319,193 | Cover assemblies for in-floor fittings Term ended Term ended Apr 9, 2024 · From the USPTO record | Term ended | Term ended Apr 9, 2024 | From the USPTO record |
| US 7,082,729 | Cover assembly for an in-floor fitting Formerly held Term ended Term ended Jul 22, 2023 · From the USPTO record | Term ended | Term ended Jul 22, 2023 | From the USPTO record |
| US 6,750,395 | Poke-thru fitting having polymeric based intumescent material Formerly held Term ended Term ended Mar 11, 2022 · From the USPTO record | Term ended | Term ended Mar 11, 2022 | From the USPTO record |
| US 7,669,371 | Modular underfloor distribution system Formerly held Lapsed on the fee record Ended Mar 2, 2022 · From the USPTO record | Lapsed on the fee record | Ended Mar 2, 2022 | From the USPTO record |
| US 6,545,215 | Split dome cover assembly for an in-floor fitting Formerly held Term ended Term ended Jan 22, 2022 · From the USPTO record | Term ended | Term ended Jan 22, 2022 | From the USPTO record |
| US 6,552,262 | Cover assembly with pivoting access doors Formerly held Term ended Term ended Jan 22, 2022 · From the USPTO record | Term ended | Term ended Jan 22, 2022 | From the USPTO record |
| US 6,612,081 | Water-tight cover assembly for an in-floor fitting Formerly held Term ended Term ended Oct 15, 2021 · From the USPTO record | Term ended | Term ended Oct 15, 2021 | From the USPTO record |