Hemisphere GNSS Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
12
Ending by 2030
Mar 2027
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 Feb 11, 2027The maintenance fee for Low profile, wideband GNSS dual frequency antenna structure (US 9,105,961) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
- 1 fee due May 3, 2027The maintenance fee for RF/digital signal-separating GNSS receiver and manufacturing method (US 9,178,573) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
- 1 fee due Nov 3, 2027The maintenance fee for System and method for antenna-receiver communication (US 9,332,501) comes due Nov 3, 2027. Unpaid by May 3, 2028, it lapses early.
Recent changes
- 1 term has ended since Aug 17, 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 7,429,952 | Broadband aperture coupled GNSS microstrip patch antenna In force · From the USPTO record | In force | From the USPTO record | |
| US 7,808,428 | GNSS receiver and external storage device system and GNSS data processing method In force · From the USPTO record | In force | From the USPTO record | |
| US 8,184,050 | Antenna alignment and monitoring system and method using GNSS In force · From the USPTO record | In force | From the USPTO record | |
| US 8,456,356 | GNSS receiver and external storage device system and GNSS data processing method In force · From the USPTO record | In force | From the USPTO record | |
| US 7,911,378 | System and method for applying code corrections for GNSS positioning In force · From the USPTO record | In force | From the USPTO record | |
| US 7,948,769 | Tightly-coupled PCB GNSS circuit and manufacturing method In force · From the USPTO record | In force | From the USPTO record | |
| US 8,000,381 | Unbiased code phase discriminator In force · From the USPTO record | In force | From the USPTO record | |
| US 8,085,196 | Removing biases in dual frequency GNSS receivers using SBAS In force · From the USPTO record | In force | From the USPTO record | |
| US 8,102,325 | GNSS antenna with selectable gain pattern, method of receiving GNSS signals and antenna manufacturing method In force · From the USPTO record | In force | From the USPTO record | |
| US 8,174,437 | System and method for augmenting DGNSS with internally-generated differential correction In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 26: 1 lapsed for an unpaid fee · 14 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.
1 pending · 7 no status recorded