Ehc Canada, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Sep 2028
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 Jan 16, 2027The maintenance fee for Method and apparatus for extrusion of thermoplastic handrail (US 10,350,807) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
- 1 fee due Mar 5, 2027The maintenance fee for Method of forming a spliced joint in a handrail or other elongate article (US 11,745,435) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
- 1 fee due May 5, 2027The maintenance fee for Articles having composite member for inhibiting longitudinal stretch (US 10,464,249) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
- 1 fee due Nov 7, 2027The maintenance fee for Composite handrails with reduced density carcass (US 11,975,943) comes due Nov 7, 2027. Unpaid by May 8, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 8,323,544 | Method and apparatus for pretreatment of a slider layer for extruded composite handrails In force · From the USPTO record | In force | From the USPTO record | |
| US 10,350,807 | Method and apparatus for extrusion of thermoplastic handrail In force · From the USPTO record | In force | From the USPTO record | |
| US 10,940,625 | Method and apparatus for extrusion of thermoplastic handrail In force · From the USPTO record | In force | From the USPTO record | |
| US 9,981,415 | Method and apparatus for extrusion of thermoplastic handrail In force · From the USPTO record | In force | From the USPTO record | |
| US 8,820,511 | Modified handrail In force · From the USPTO record | In force | From the USPTO record | |
| US 9,579,839 | Apparatus for extrusion of thermoplastic handrail In force · From the USPTO record | In force | From the USPTO record | |
| US 10,160,623 | Compact composite handrails with enhanced mechanical properties In force · From the USPTO record | In force | From the USPTO record | |
| US 10,287,133 | Compact composite handrails with enhanced mechanical properties In force · From the USPTO record | In force | From the USPTO record | |
| US 10,464,249 | Articles having composite member for inhibiting longitudinal stretch In force · From the USPTO record | In force | From the USPTO record | |
| US 11,383,408 | Mould assembly for forming a spliced joint in a handrail, or other elongate article In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 12: 9 lapsed for an unpaid fee · 3 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.
1 no status recorded