Ricon Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Feb 2030
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.
- 2 fees due Feb 4 to 20, 2027 · next Feb 4
- 1 fee due Mar 8, 2027The maintenance fee for Regenerative braking system for a vehicle ramp (US 9,125,778) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
- 1 fee due Apr 6, 2027The maintenance fee for Hydraulic system and arrangement for an access arrangement (US 9,151,301) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
Recent changes
- 1 term has ended since Aug 16, 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 8,517,659 | Self-aligning platform mechanism for low-floor vehicles access device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,816,225 | Static pressure anti-stow logic for platform wheelchair lifts In force · From the USPTO record | In force | From the USPTO record | |
| US 9,097,058 | Bonded-in, anti-vandalism transit vehicle window system In force · From the USPTO record | In force | From the USPTO record | |
| US 8,274,188 | Magnetic-assisted linear bearing In force · From the USPTO record | In force | From the USPTO record | |
| US 9,783,094 | Self-aligning platform mechanism for low-floor vehicles access device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,125,778 | Regenerative braking system for a vehicle ramp In force · From the USPTO record | In force | From the USPTO record | |
| US 9,456,940 | Load sensing system for wheelchair lift arrangement In force · From the USPTO record | In force | From the USPTO record | |
| US 9,943,454 | Installation method and arrangement for a wheelchair lift arrangement In force · From the USPTO record | In force | From the USPTO record | |
| US 9,151,301 | Hydraulic system and arrangement for an access arrangement In force · From the USPTO record | In force | From the USPTO record | |
| US 9,783,081 | Power transfer seat In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 13: 7 lapsed for an unpaid fee · 54 ended at full term. 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.
2 no status recorded