Maintenance fees coming due
6 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 4, 2026. Unpaid by Jun 4, 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 10,308,460 | Web Transfer Device with Vacuum Hood and Methods for Web Transfer In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Davis-Standard, LLC | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 11,731,334 | Control System for Macro Adjustment of a Polymeric Melt Forming Slot Type Die In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Davis-Standard, LLC | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 9,132,579 | Extruder Feed Throat Having Hardened Tiles on Internal Surfaces In force Fee due Mar 15, 2027 Lapses if unpaid Sep 15, 2027 · High confidence | Davis-Standard, LLC | In force | Mar 15, 2027 | Sep 15, 2027 | High confidence | |
| US 9,162,403 | Apparatus for Manufacturing and Processing Pre-Stretch Films Having Strips of Increased Thickness In force Fee due Apr 20, 2027 Lapses if unpaid Oct 20, 2027 · Medium confidence | Davis-Standard, LLC | In force | Apr 20, 2027 | Oct 20, 2027 | Medium confidence | |
| US 10,532,490 | Plasticating Apparatus Screw Having Grooves of Varying Angles and Depths In force Fee due Jul 14, 2027 Lapses if unpaid Jan 14, 2028 · High confidence | Davis-Standard, LLC | In force | Jul 14, 2027 | Jan 14, 2028 | High confidence | |
| US 9,266,274 | Heater-Cooler System for a Barrel of an Extruder and a Method of Using the Same In force Fee due Aug 23, 2027 Lapses if unpaid Feb 23, 2028 · High confidence | Davis-Standard, LLC | In force | Aug 23, 2027 | Feb 23, 2028 | High confidence |
6 of 6 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.