Maintenance fees coming due
9 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 26, 2026. Unpaid by May 26, 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 9,038,542 | Tie Plate Separator and Method Thereof In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 · High confidence | B&B Rail Tech, LLC | In force | Nov 26, 2026 | May 26, 2027 | High confidence | |
| US 10,316,471 | Tie Plate Separator and Method Thereof In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | B&B Rail Tech, LLC | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| US 10,329,100 | Tie Plate Straightener In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 · High confidence | B&B Rail Tech, LLC | In force | Dec 25, 2026 | Jun 25, 2027 | High confidence | |
| US 10,427,876 | Tie Plate Separator and Method Thereof In force Fee due Apr 1, 2027 Lapses if unpaid Oct 1, 2027 · High confidence | B&B Rail Tech, LLC | In force | Apr 1, 2027 | Oct 1, 2027 | High confidence | |
| US 11,772,903 | Tie Plate Dispenser and Method Therefore In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 · High confidence | B&B Rail Tech, LLC | In force | Apr 3, 2027 | Oct 4, 2027 | High confidence | |
| US 11,885,074 | Tie Plate Dispenser and Method Therefore In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 · High confidence | B&B Rail Tech, LLC | In force | Jul 30, 2027 | Jan 31, 2028 | High confidence | |
| US 11,885,075 | Tie Plate Orientation Device In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 · High confidence | B&B Rail Tech, LLC | In force | Jul 30, 2027 | Jan 31, 2028 | High confidence | |
| US 11,898,311 | Railroad Tie Plate Distribution Apparatus and Method Therefore In force Fee due Aug 13, 2027 Lapses if unpaid Feb 14, 2028 · High confidence | B&B Rail Tech, LLC | In force | Aug 13, 2027 | Feb 14, 2028 | High confidence | |
| US 9,328,465 | Tie Plate Separator and Method Thereof In force Fee due Nov 3, 2027 Lapses if unpaid May 3, 2028 · High confidence | B&B Rail Tech, LLC | In force | Nov 3, 2027 | May 3, 2028 | High confidence |
9 of 9 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.