Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 27, 2027. Unpaid by Aug 27, 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 10,390,498 | Engaging Tool In force Fee due Feb 27, 2027 Lapses if unpaid Aug 27, 2027 · High confidence | Fecon. LLC | In force | Feb 27, 2027 | Aug 27, 2027 | High confidence | |
| US 10,470,375 | Land Preparation Tools In force Fee due May 12, 2027 Lapses if unpaid Nov 12, 2027 · High confidence | Fecon, LLC | In force | May 12, 2027 | Nov 12, 2027 | High confidence | |
| US 11,871,689 | Tool and Tool Holder for a Rotary Land Preparation Implement and Vehicle Thereof In force Fee due Jul 16, 2027 Lapses if unpaid Jan 18, 2028 · High confidence | Fecon, LLC | In force | Jul 16, 2027 | Jan 18, 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.