Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Jul 26, 2027. Unpaid by Jan 26, 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 9,243,727 | High Temperature Fiber Reinforced Pipe In force Fee due Jul 26, 2027 Lapses if unpaid Jan 26, 2028 · High confidence | Shawcor Ltd. | In force | Jul 26, 2027 | Jan 26, 2028 | High confidence | |
| US 9,322,495 | Connection for a Thermoplastic Pipe, Assembly and Method In force Fee due Oct 26, 2027 Lapses if unpaid Apr 26, 2028 · High confidence | Shawcor Ltd. Shawcor Ltée | In force | Oct 26, 2027 | Apr 26, 2028 | High confidence |
2 of 2 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.