Maintenance fees coming due
11 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Apr 24, 2027. Unpaid by Oct 25, 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 11,796,080 | Valve Assembly In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 · High confidence | Nibco Inc. | In force | Apr 24, 2027 | Oct 25, 2027 | High confidence | |
| US 11,802,625 | Ball Drain Wye Strainer Valve Assembly In force Fee due Apr 30, 2027 Lapses if unpaid Nov 1, 2027 · High confidence | Nibco Inc. | In force | Apr 30, 2027 | Nov 1, 2027 | High confidence | |
| US 9,188,260 | Crimp Evident Seal In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 · High confidence | Nibco Inc. | In force | May 17, 2027 | Nov 17, 2027 | High confidence | |
| US 9,217,521 | Lead-Free High Temperature/Pressure Piping Components and Methods of Use In force Fee due Jun 22, 2027 Lapses if unpaid Dec 22, 2027 · High confidence | Nibco Inc. | In force | Jun 22, 2027 | Dec 22, 2027 | High confidence | |
| US 11,866,916 | Water Monitoring and Isolation Apparatus In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Nibco Inc. | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 11,873,999 | Expansion Tank Service Valve Assembly In force Fee due Jul 16, 2027 Lapses if unpaid Jan 18, 2028 · High confidence | Nibco Inc. | In force | Jul 16, 2027 | Jan 18, 2028 | High confidence | |
| US 10,544,888 | Crimp Connection with One or More Crimping Elements In force Fee due Jul 28, 2027 Lapses if unpaid Jan 28, 2028 · High confidence | Nibco Inc. | In force | Jul 28, 2027 | Jan 28, 2028 | High confidence | |
| US 11,898,643 | Dual Union Ball Drain Valve with T-Flow Adjustability In force Fee due Aug 13, 2027 Lapses if unpaid Feb 14, 2028 · High confidence | Nibco Inc. | In force | Aug 13, 2027 | Feb 14, 2028 | High confidence | |
| US 9,261,215 | Coupling In force Fee due Aug 16, 2027 Lapses if unpaid Feb 16, 2028 · High confidence | Nibco Inc. | In force | Aug 16, 2027 | Feb 16, 2028 | High confidence | |
| US 11,913,569 | Serviceable Ball Check Valve In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 · High confidence | Nibco Inc. | In force | Aug 27, 2027 | Feb 28, 2028 | High confidence | |
| 1 more maintenance fee coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 11 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.