Delta Systems, Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
6
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.
- 2 fees due Dec 9, 2026
- 2 fees due Apr 15 to 30, 2027 · next Apr 15
- 1 fee due Aug 23, 2027The maintenance fee for Rocker switch and method of operating same (US 9,269,512) comes due Aug 23, 2027. Unpaid by Feb 23, 2028, it lapses early.
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 8,256,197 | Switch assembly having a mechanically actuated override In force · From the USPTO record | In force | From the USPTO record | |
| US 7,520,264 | Ignition circuit In force · From the USPTO record | In force | From the USPTO record | |
| US 7,812,473 | Auxiliary component control for use with a lawn and garden tractor In force · From the USPTO record | In force | From the USPTO record | |
| US 7,777,639 | Indicator Display Module In force · High confidence | In force | High confidence | |
| US 10,441,579 | 4-[2-(2-Fluorophenoxymethyl)PHENYL]PIPERIDINE Compounds In force · High confidence | In force | High confidence | |
| US 8,080,905 | Control system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,051,010 | Dash Cluster System and Method In force · High confidence | In force | High confidence | |
| US 8,921,724 | Switch Assembly In force · High confidence | In force | High confidence | |
| US 8,970,396 | Hourmeter System and Method In force · Medium confidence | In force | Medium confidence | |
| US 9,053,877 | Plunger switch and method of using same In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 19: 1 patent in force now held by others · 16 lapsed for an unpaid fee · 48 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.
5 no status recorded