Indigo Technologies, Inc.
6 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.
Previously recorded as Nucleus Scientific, Inc. (to 2019)
3
Ending by 2030
Nov 2029
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 Mar 8, 2027The maintenance fee for Distributed Architecture for Uni-Directional and Bi-Directional Power Transfer in an Electrical Storage System (US 9,129,743) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
- 2 fees due May 12 to 19, 2027 · next May 12
- 1 fee due Jul 5, 2027The maintenance fee for Minimization of Torque Ripple (US 9,231,462) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.
- 1 fee due Nov 5, 2027The maintenance fee for Guided Multi-Bar Linkage Electric Drive System (US 10,644,578) comes due Nov 5, 2027. Unpaid by May 5, 2028, 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 8,742,633 | Rotary Drive with Linear Actuators Having Two Degrees of Linear Movements In force · High confidence | In force | High confidence | |
| US 9,934,904 | Method of Manufacturing an Electric Coil Assembly In force · High confidence | In force | High confidence | |
| US 8,519,575 | Linear Electric Machine with Linear-To-Rotary Converter In force · High confidence | In force | High confidence | |
| US 8,624,699 | Electric Coil and Method of Manufacture In force · High confidence | In force | High confidence | |
| US 8,653,697 | Inductive Coupling for an Electrical Storage System In force · High confidence | In force | High confidence | |
| US 8,766,493 | Magnetic Stator Assembly In force · High confidence | In force | High confidence | |
| US 10,101,370 | Nonlinear System Identification for Optimization of Wireless Power Transfer In force · High confidence | In force | High confidence | |
| US 9,404,950 | Nonlinear System Identification for Optimization of Wireless Power Transfer In force · Medium confidence | In force | Medium confidence | |
| US 9,129,743 | Distributed Architecture for Uni-Directional and Bi-Directional Power Transfer in an Electrical Storage System In force · High confidence | In force | High confidence | |
| US 9,231,462 | Minimization of Torque Ripple In force · High confidence | In force | High confidence |
Also on record, not counted in the 30: 6 patents in force now held by others · 9 lapsed for an unpaid fee · 10 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 · 1 abandoned · 3 no status recorded