RPG Diffusor Systems, Inc.
Records under this name other than patents RPG Diffusor Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to RPG Diffusor Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,068,563 | Sound Absorbing Panel with Wedge-Shaped Cross-Section Micro-Slits Formerly held Lapsed on the fee record Ended Sep 4, 2026 · High confidence | Lapsed on the fee record | Ended Sep 4, 2026 | High confidence |
| US 7,322,441 | Extended bandwidth folded well diffusor Formerly held Term ended Term ended Nov 19, 2025 · From the USPTO record | Term ended | Term ended Nov 19, 2025 | From the USPTO record |
| US 8,967,823 | Combination light diffuser and acoustical treatment and listening room including such fixtures Formerly held Lapsed on the fee record Ended Mar 3, 2023 · From the USPTO record | Lapsed on the fee record | Ended Mar 3, 2023 | From the USPTO record |
| US 6,772,859 | Embodiments of aperiodic tiling of a single asymmetric diffusive base shape Formerly held Term ended Term ended Sep 26, 2022 · From the USPTO record | Term ended | Term ended Sep 26, 2022 | From the USPTO record |
| US 9,508,334 | Acoustical treatment with transition from absorption to diffusion and method of making Formerly held Lapsed on the fee record Ended Nov 29, 2020 · From the USPTO record | Lapsed on the fee record | Ended Nov 29, 2020 | From the USPTO record |
| US 7,428,948 | Hybrid amplitude-phase grating diffusers Formerly held Lapsed on the fee record Ended Sep 30, 2020 · From the USPTO record | Lapsed on the fee record | Ended Sep 30, 2020 | From the USPTO record |
| US 6,112,852 | Acoustical treatments with diffusive and absorptive properties and process of design Formerly held Term ended Term ended Sep 22, 2019 · From the USPTO record | Term ended | Term ended Sep 22, 2019 | From the USPTO record |
| US 6,431,312 | Motorized and computer operated variable acoustics treatment Lapsed on the fee record Ended Aug 13, 2010 · From the USPTO record | Lapsed on the fee record | Ended Aug 13, 2010 | From the USPTO record |
| US 4,821,839 | Sound absorbing diffusor Term ended Term ended no later than Apr 18, 2009 · Low confidence | Term ended | Term ended no later than Apr 18, 2009 | Low confidence |
| US 4,964,486 | Cinder block modular diffusor Term ended Term ended no later than Oct 23, 2010 · Low confidence | Term ended | Term ended no later than Oct 23, 2010 | Low confidence |