Doyle Manufacturing, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Nov 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 Jan 23, 2027The maintenance fee for Electrolyte level gauge (US 10,361,468) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
- 1 fee due May 14, 2027The maintenance fee for Gang vent cap (US 11,817,598) comes due May 14, 2027. Unpaid by Nov 15, 2027, it lapses early.
- 2 fees due Oct 7 to 28, 2027 · next Oct 7
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 8,999,565 | Battery cover for retention of dielectric fluid In force · From the USPTO record | In force | From the USPTO record | |
| US 8,715,843 | Vent cap including watering valve, float and fluid flow path that does not impinge float In force · From the USPTO record | In force | From the USPTO record | |
| US 10,637,025 | Battery vent cap In force · From the USPTO record | In force | From the USPTO record | |
| US 10,263,231 | Battery cover assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 9,461,287 | Battery cover assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 10,615,466 | Electrolyte level gauge In force · From the USPTO record | In force | From the USPTO record | |
| US 10,957,889 | Gang vent cap In force · From the USPTO record | In force | From the USPTO record | |
| US 10,978,765 | Gang vent cap In force · From the USPTO record | In force | From the USPTO record | |
| US 11,817,598 | Gang vent cap In force · From the USPTO record | In force | From the USPTO record | |
| US 10,361,468 | Electrolyte level gauge In force · From the USPTO record | In force | From the USPTO record |
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