Spring Design, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
1
Ending by 2030
Feb 2028
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 21, 2026The maintenance fee for User Interface Content State Synchronization Across Devices (US 10,298,642) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
- 1 fee due Mar 5, 2027The maintenance fee for User Interface Content State Synchronization Across Devices (US 11,750,673) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 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.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US RE48,911 | Application programming interface for providing native and non-native display utility In force · From the USPTO record | In force | From the USPTO record | |
| US 12,267,375 | User Interface Content State Synchronization Across Devices In force · High confidence | In force | High confidence | |
| US 12,719,941 | User Interface Content State Synchronization Across Devices In force · High confidence | In force | High confidence | |
| US 11,750,673 | User Interface Content State Synchronization Across Devices In force · High confidence | In force | High confidence | |
| US 10,298,642 | User Interface Content State Synchronization Across Devices In force · High confidence | In force | High confidence | |
| US 10,946,774 | Ergonomic Infant Safety Seat In force · High confidence | In force | High confidence |
Also on record, not counted in the 6: 13 lapsed for an unpaid fee · 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.
1 no status recorded