Lema Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Nov 2035
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 Jun 3, 2027The maintenance fee for Control valve assembly for a fluid heating system (US 10,495,720) comes due Jun 3, 2027. Unpaid by Dec 3, 2027, it lapses early.
- 1 fee due Sep 5, 2027The maintenance fee for Digital fluid heating system (US 11,920,801) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.
- 1 fee due Oct 2, 2027The maintenance fee for Fluid heating system (US 11,946,886) comes due Oct 2, 2027. Unpaid by Apr 3, 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.
Showing 1 to 8 of 8
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,946,886 | Fluid heating system In force · From the USPTO record | In force | From the USPTO record | |
| US 10,890,645 | Dual axis tracking method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,495,720 | Control valve assembly for a fluid heating system In force · From the USPTO record | In force | From the USPTO record | |
| US 10,168,412 | Dual axis tracking device In force · From the USPTO record | In force | From the USPTO record | |
| US 11,255,804 | Method of calculating pathogen inactivation for a fluid heating system In force · From the USPTO record | In force | From the USPTO record | |
| US 11,920,801 | Digital fluid heating system In force · From the USPTO record | In force | From the USPTO record | |
| US 12,486,990 | Solar heating for refrigeration and fluid heating devices In force · From the USPTO record | In force | From the USPTO record | |
| US 10,989,420 | Digital fluid heating system In force · From the USPTO record | In force | From the USPTO record |
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.