Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Apr 10, 2027. Unpaid by Oct 12, 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 11,781,764 | Air Purifying System In force Fee due Apr 10, 2027 Lapses if unpaid Oct 12, 2027 · High confidence | Nuwave, LLC | In force | Apr 10, 2027 | Oct 12, 2027 | High confidence | |
| US 9,226,343 | Apparatus, System, Method and Computer Program Product for Precise Multistage Programmable Induction Cooktop In force Fee due Jun 29, 2027 Lapses if unpaid Dec 29, 2027 · High confidence | Nuwave, LLC | In force | Jun 29, 2027 | Dec 29, 2027 | High confidence | |
| US 11,877,700 | Blender Blade Assembly In force Fee due Jul 23, 2027 Lapses if unpaid Jan 24, 2028 · High confidence | Nuwave, LLC | In force | Jul 23, 2027 | Jan 24, 2028 | High confidence | |
| US 10,556,208 | Vacuum Blender In force Fee due Aug 11, 2027 Lapses if unpaid Feb 11, 2028 · High confidence | Nuwave, LLC | In force | Aug 11, 2027 | Feb 11, 2028 | High confidence |
4 of 4 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.