Tutco, LLC
2 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.
3
Ending by 2030
Jul 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 28, 2027The maintenance fee for Insulator for open coil electrical resistance heater, heater using same, and method of use (US 9,095,004) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 1 fee due Jun 15, 2027The maintenance fee for Two level electric resistance heater and method of use (US 9,212,451) comes due Jun 15, 2027. Unpaid by Dec 15, 2027, it lapses early.
- 1 fee due Oct 19, 2027The maintenance fee for Multiple stage open coil electric resistance heater with balanced coil power arrangement and method of use (US 9,320,083) comes due Oct 19, 2027. Unpaid by Apr 19, 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 7,928,342 | Metal sheathed heater with solid state control device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,947,932 | Open coil electric resistance heater with offset coil support and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 8,278,605 | Multiple stage open coil electric resistance heater with balanced coil arrangement and heater cool end termination and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 8,367,985 | Mica board electric resistance wire heater and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 10,880,954 | Foldable electric resistance heater and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 9,386,634 | Electrical resistance heater assembly and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 8,923,690 | Close quarter electric resistance heater and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 9,320,083 | Multiple stage open coil electric resistance heater with balanced coil power arrangement and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 9,095,004 | Insulator for open coil electrical resistance heater, heater using same, and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 9,212,451 | Two level electric resistance heater and method of use In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 16: 2 patents in force now held by others · 11 lapsed for an unpaid fee · 39 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 pending · 3 no status recorded