Maintenance fees coming due
Curtiss-Wright Flow Control Corporation
1 maintenance fee comes due on Sep 3, 2027, in the 12 months from Nov 15, 2026. Unpaid by Mar 3, 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 10,580,540 | Neutron Absorber Member Configured for Insertion into a Control Rod Guide Tube of a Spent Fuel Assembly In force Fee due Sep 3, 2027 Lapses if unpaid Mar 3, 2028 · High confidence | Curtiss-Wright Flow Control Corporation | In force | Sep 3, 2027 | Mar 3, 2028 | High confidence |
1 of 1 patent 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.