Maintenance fees coming due
Dirtt Environmental Solutions, Ltd.
28 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 28, 2026. Unpaid by May 28, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 10,301,821 | Reconfigurable Wall System In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Dirtt Environmental Solutions, Ltd. | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 9,059,576 | Cable Consolidation Boxes and Systems In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 · High confidence | Dirtt Environmental Solutions, Ltd. | In force | Dec 16, 2026 | Jun 16, 2027 | High confidence | |
| US 9,084,489 | Modular Walls Incorporating Recessed, Extendable Furniture In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 · High confidence | Dirtt Environmental Solutions, Ltd. | In force | Jan 21, 2027 | Jul 21, 2027 | High confidence | |
| US 9,095,990 | Method for wrapping a non-porous substrate object with a wood veneer In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 · High confidence | Dirtt Environmental Solutions Ltd. | In force | Feb 4, 2027 | Aug 4, 2027 | High confidence | |
| US 10,400,448 | Reconfigurable Wall Panels In force Fee due Mar 3, 2027 Lapses if unpaid Sep 3, 2027 · High confidence | Dirtt Environmental Solutions, Ltd. | In force | Mar 3, 2027 | Sep 3, 2027 | High confidence | |
| US 10,467,814 | Mixed-Reality Architectural Design Environment In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | Armstrong World Industries, Inc. | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 10,470,560 | Slidable Furniture with In-Wall Mounting System In force Fee due May 12, 2027 Lapses if unpaid Nov 12, 2027 · High confidence | Dirtt Environmental Solutions Inc. | In force | May 12, 2027 | Nov 12, 2027 | High confidence | |
| US 9,189,571 | Automated Re-Use of Structural Components In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 · High confidence | Armstrong World Industries, Inc. | In force | May 17, 2027 | Nov 17, 2027 | High confidence | |
| US 9,194,121 | Tangential Non-Dimensional Interface Module In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 · High confidence | Dirtt Environmental Solutions, Ltd. | In force | May 24, 2027 | Nov 24, 2027 | High confidence | |
| US 9,206,612 | Trim Connection Systems and Methods In force Fee due Jun 8, 2027 Lapses if unpaid Dec 8, 2027 · High confidence | Dirtt Environmental Solutions, Ltd. | In force | Jun 8, 2027 | Dec 8, 2027 | High confidence | |
| 18 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 28 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.