Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Jul 9, 2027. Unpaid by Jan 10, 2028, 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 11,865,712 | Arm Joint for a Manipulator and Manipulator In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Igus GmbH | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 11,912,356 | Tracked Vehicle, in Particular Construction Machine, More Particularly Road Construction Machine, with a Track Tensioning Apparatus, and Method for Operating a Tracked Vehicle with a Track Tensioning Apparatus In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 · High confidence | Bomag GmbH | In force | Aug 27, 2027 | Feb 28, 2028 | High confidence | |
| US 11,955,784 | Energy Guiding Chain with Wear Detection In force Fee due Oct 9, 2027 Lapses if unpaid Apr 10, 2028 · High confidence | Igus GmbH | In force | Oct 9, 2027 | Apr 10, 2028 | High confidence |
3 of 3 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.