SDNS, Inc.
2 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.
1
Ending by 2030
Sep 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 Feb 6, 2027The maintenance fee for Device for securing channel letter plates (US 10,371,184) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 1 fee due Mar 8, 2027The maintenance fee for Generating channel letters using profiles (US 9,126,252) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
- 1 fee due Jul 21, 2027The maintenance fee for Device with multiple units for processing strips of material (US 10,537,969) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
- 2 fees due Aug 16 to 18, 2027 · next Aug 16
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 10,537,969 | Device with multiple units for processing strips of material In force · From the USPTO record | In force | From the USPTO record | |
| US 9,262,946 | Profiles used in generating channel letters In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 10,220,426 | Device and Method for Generating Channel Letters In force · Medium confidence | In force | Medium confidence | |
| US 9,126,252 | Generating channel letters using profiles In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 9,721,486 | Frame panel for three-dimensional sign board In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 10,371,184 | Device for securing channel letter plates In force · From the USPTO record | In force | From the USPTO record | |
| US 11,235,488 | Dieboard padding In force · From the USPTO record | In force | From the USPTO record | |
| US 11,478,951 | Cut-crease rule for dieboard In force · From the USPTO record | In force | From the USPTO record | |
| US 10,562,113 | Channel bender In force · From the USPTO record | In force | From the USPTO record | |
| US 10,898,977 | Adding cutting stations to bending systems In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 12: 2 patents in force now held by others · 2 lapsed for an unpaid fee. 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