Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Sep 17, 2027. Unpaid by Mar 17, 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 10,590,772 | Second Stage Turbine Blade In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 · High confidence | Palm et International Inc. | In force | Sep 17, 2027 | Mar 17, 2028 | High confidence | |
| US 10,590,782 | Second Stage Turbine Nozzle In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 · High confidence | Palm et International Inc. | In force | Sep 17, 2027 | Mar 17, 2028 | High confidence | |
| US 11,933,039 | Mounting System for Building Panels In force Fee due Sep 19, 2027 Lapses if unpaid Mar 20, 2028 · High confidence | Palm Dreamscapes Qozb, LLC | In force | Sep 19, 2027 | Mar 20, 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.