Topcon Positioning Systems, Inc.
3 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.
Recorded under 3 name spellings.
14
Ending by 2030
Feb 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 Nov 14, 2026The maintenance fee for Adaptive GNSS positioning method capable of adjusting to ionospheric delay (US 10,288,743) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.
- 5 fees due Dec 2 to 25, 2026 · next Dec 2
- 4 fees due Jan 7 to 23, 2027 · next Jan 7
- 3 fees due Feb 20 to 28, 2027 · next Feb 20
- 3 fees due Mar 3 to 22, 2027 · next Mar 3
- 3 fees due Apr 10 to 30, 2027 · next Apr 10
- 9 fees due May 7 to 28, 2027 · next May 7
- 6 fees due Jun 1 to 26, 2027 · next Jun 1
- 3 fees due Jul 26 to 30, 2027 · next Jul 26
- 6 fees due Aug 4 to 20, 2027 · next Aug 4
- 6 fees due Sep 3 to 30, 2027 · next Sep 3
- 5 fees due Oct 2 to 28, 2027 · next Oct 2
- 1 fee due Nov 12, 2027The maintenance fee for Wedged three-axis inertial sensor damper-suspension (US 10,648,530) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- 5 terms have 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 7,697,748 | Method and apparatus for high resolution 3D imaging as a function of camera position, camera trajectory and range In force · From the USPTO record | In force | From the USPTO record | |
| US 7,649,920 | Q-Switched Microlaser Apparatus and Method for Use In force · High confidence | In force | High confidence | |
| US 7,857,071 | Grade indicator for excavation operations In force · From the USPTO record | In force | From the USPTO record | |
| US 7,617,061 | Method and apparatus for accurately determining height coordinates in a satellite/laser positioning system In force · From the USPTO record | In force | From the USPTO record | |
| US 8,352,132 | Automatic blade control system with integrated global navigation satellite system and inertial sensors In force · From the USPTO record | In force | From the USPTO record | |
| US 7,689,351 | Virtual profilograph for road surface quality assessment In force · From the USPTO record | In force | From the USPTO record | |
| US 8,560,157 | Partial manual control state for automated vehicle navigation system In force · From the USPTO record | In force | From the USPTO record | |
| US 8,269,833 | Method and system for measuring vehicle speed based on movement of video camera In force · From the USPTO record | In force | From the USPTO record | |
| US 7,925,439 | Gimbaled satellite positioning system antenna In force · From the USPTO record | In force | From the USPTO record | |
| US 8,145,391 | Automatic blade control system with integrated global navigation satellite system and inertial sensors In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 202: 3 patents in force now held by others · 12 lapsed for an unpaid fee · 16 ended at full term · 1 surrendered on reissue. 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.
3 pending · 6 abandoned · 18 no status recorded