Astra Navigation, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2041
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 20, 2026The maintenance fee for Correlating Overlapping Magnetic Measurement Data from Multiple Magnetic Navigation Devices and Updating a Geomagnetic Map with that Data (US 11,680,802) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
- 2 fees due Feb 8 to 15, 2027 · next Feb 8
Recent changes
- 3 of the patents on this record were granted 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 11,428,532 | Generating a Geomagnetic Map In force · Medium confidence | In force | Medium confidence | |
| US 11,680,802 | Correlating Overlapping Magnetic Measurement Data from Multiple Magnetic Navigation Devices and Updating a Geomagnetic Map with that Data In force · High confidence | In force | High confidence | |
| US 11,725,946 | Operating Modes of Magnetic Navigation Devices In force · Medium confidence | In force | Medium confidence | |
| US 12,560,435 | Generating a Geomagnetic Map In force · High confidence | In force | High confidence | |
| US 11,719,716 | Measuring Distance Traversed or Speed In force · High confidence | In force | High confidence | |
| US 12,498,245 | Embedding a Magnetic Map into an Image File In force · High confidence | In force | High confidence | |
| US 12,625,201 | Controlling Motion with Magnetometers In force · High confidence | In force | High confidence | |
| US 12,474,168 | Using a Magnetic Recording for Authentication In force · High confidence | In force | High confidence | |
| US 12,618,677 | Using Magnetic-Sensor Data to Correct for INS Drift In force · High confidence | In force | High confidence | |
| US 12,723,875 | Authenticating a Device Using Geofencing Data In force · High confidence | In force | High confidence |
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.
8 pending · 1 abandoned · 1 no status recorded