T.Rad Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Sep 2033
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 Dec 4, 2026The maintenance fee for Heat exchanger core (US 10,309,729) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 1 fee due Jan 14, 2027The maintenance fee for Folded heat exchanger with V-shaped convex portions (US 9,080,819) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
- 1 fee due Feb 28, 2027The maintenance fee for Stacked plate heat exchanger (US 11,740,027) comes due Feb 28, 2027. Unpaid by Aug 30, 2027, it lapses early.
- 1 fee due May 28, 2027The maintenance fee for Corrugated fin type heat exchanger (US 11,828,545) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
- 1 fee due Aug 18, 2027The maintenance fee for Exhaust gas heat exchanger having stacked flat tubes (US 10,563,624) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
- 1 fee due Oct 28, 2027The maintenance fee for Structure of heat exchanger core without header plate (US 10,634,431) comes due Oct 28, 2027. Unpaid by Apr 28, 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 9,080,819 | Folded heat exchanger with V-shaped convex portions In force · From the USPTO record | In force | From the USPTO record | |
| US 10,006,723 | Seal structure for tank In force · From the USPTO record | In force | From the USPTO record | |
| US 10,274,262 | Heat exchanger In force · From the USPTO record | In force | From the USPTO record | |
| US 10,309,729 | Heat exchanger core In force · From the USPTO record | In force | From the USPTO record | |
| US 9,995,539 | Corrugated fins for heat exchanger In force · From the USPTO record | In force | From the USPTO record | |
| US 10,837,718 | Laminated core type heat sink In force · From the USPTO record | In force | From the USPTO record | |
| US 10,655,922 | Laminated heat sink In force · From the USPTO record | In force | From the USPTO record | |
| US 10,724,807 | Heat exchanger and method for assembling same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,563,624 | Exhaust gas heat exchanger having stacked flat tubes In force · From the USPTO record | In force | From the USPTO record | |
| US 10,634,431 | Structure of heat exchanger core without header plate In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 24: 31 lapsed for an unpaid fee · 11 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 abandoned · 8 no status recorded