Railserve, Inc.
9 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2036
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Apr 29, 2027The maintenance fee for Emergency action system for use with a locomotive (US 10,457,302) comes due Apr 29, 2027. Unpaid by Oct 29, 2027, it lapses early.
- 1 fee due Aug 18, 2027The maintenance fee for Railyard crew member vest for use within a railyard (US 10,562,553) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
- 1 fee due Sep 19, 2027The maintenance fee for Anti-collision device and system for use with a railcar (US 11,932,294) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,776,648 | Emergency action system for use with a locomotive In force · From the USPTO record | In force | From the USPTO record | |
| US 10,457,302 | Emergency action system for use with a locomotive In force · From the USPTO record | In force | From the USPTO record | |
| US 11,932,294 | Anti-collision device and system for use with a railcar In force · From the USPTO record | In force | From the USPTO record | |
| US 11,192,565 | Anti-collision device and system for use with a railcar In force · From the USPTO record | In force | From the USPTO record | |
| US 10,272,932 | Anti-Collision Device and System for Use with a Rail Car In force · High confidence | In force | High confidence | |
| US 10,814,894 | Railyard crew member vest for use within a railyard In force · From the USPTO record | In force | From the USPTO record | |
| US 10,864,929 | Railyard crew member helmet for use within a railyard In force · From the USPTO record | In force | From the USPTO record | |
| US 10,562,553 | Railyard crew member vest for use within a railyard In force · From the USPTO record | In force | From the USPTO record | |
| US 12,116,029 | Derail Warning Light System In force · High confidence | In force | High confidence | |
| US 11,400,963 | Derail Warning Light System In force · High confidence | In force | High confidence |
Also on record, not counted in the 11: 9 patents in force now held by others · 1 lapsed for an unpaid fee. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
3 pending · 2 no status recorded