Maintenance fees coming due
Additive Technologies LLC Dba Additec
23 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 23, 2026. Unpaid by May 24, 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 11,654,482 | Liquid Metal Ejector Level Sensing System and Methods Thereof In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | Additive Technologies, LLC Dba Additec | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 11,666,975 | Three-Dimensional Printer with Nitrogen Atmosphere In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Additive Technologies, LLC Dba Additec | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,673,198 | System and Method for Reducing Drop Placement Errors at Perimeter Features on an Object in a Three-Dimensional (3D) Object Printer In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · High confidence | Additive Technologies LLC | In force | Dec 13, 2026 | Jun 14, 2027 | High confidence | |
| US 11,684,972 | Metal Drop Ejecting Three-Dimensional (3D) Object Printer with a Thermally Insulated Build Platform Translational Mechanism In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · Medium confidence | Additive Technologies LLC | In force | Dec 27, 2026 | Jun 28, 2027 | Medium confidence | |
| US 11,701,712 | System and Method for Reducing Drop Placement Errors at Perimeter Features on an Object in a Three-Dimensional (3D) Object Printer In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 · High confidence | Additive Technologies LLC | In force | Jan 18, 2027 | Jul 19, 2027 | High confidence | |
| US 11,731,199 | Metal Drop Ejecting Three-Dimensional (3D) Object Printer with Double Thermal Layer Insulation for the Build Platform Translational Mechanism In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Additive Technologies LLC | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 11,731,366 | Method and System for Operating a Metal Drop Ejecting Three-Dimensional (3D) Object Printer to Form Electrical Circuits on Substrates In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Additive Technologies LLC | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 11,737,216 | Metal Drop Ejecting Three-Dimensional (3D) Object Printer In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Additive Technologies LLC | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 11,745,265 | Metal Drop Ejecting Three-Dimensional (3D) Object Printer and Method of Operation for Facilitating Build and Release of a Metal Object from a Build Platform In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Additive Technologies LLC | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| US 11,745,268 | Melted Metal Level Sensor for a Metal Drop Ejecting Three-Dimensional (3D) Object Printer In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Additive Technologies LLC | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| 13 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 23 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.