Leum Engineering, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
2
Ending by 2030
Aug 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 Dec 9, 2026The maintenance fee for Mobile loading dock with adjustable leg assembly (US 9,051,136) comes due Dec 9, 2026. Unpaid by Jun 9, 2027, it lapses early.
- 1 fee due Jan 30, 2027The maintenance fee for Solar-powered mobile loading dock (US 10,365,016) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
- 1 fee due Feb 6, 2027The maintenance fee for Outdoor Mobile Loading Dock (US 10,370,207) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 2 fees due Mar 5 to 12, 2027 · next Mar 5
- 3 fees due Apr 3 to 27, 2027 · next Apr 3
- 1 fee due May 19, 2027The maintenance fee for Dock housing (US 10,479,624) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 1 fee due Jun 30, 2027The maintenance fee for Outdoor Mobile Loading Dock (US 10,518,990) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Jul 2, 2027The maintenance fee for Vehicle Leveler with Safety Features (US 11,858,763) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 3 fees due Aug 4 to 16, 2027 · next Aug 4
Recent changes
- 1 of the patents on this record was granted 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 D712,112 | Low-profile lip extender unit for a dock ramp In force · From the USPTO record | In force | From the USPTO record | |
| US D740,962 | Interlocking rail barrier In force · From the USPTO record | In force | From the USPTO record | |
| US D813,488 | Loading dock ramp In force · From the USPTO record | In force | From the USPTO record | |
| US 8,869,332 | Mobile loading dock with slot-engaging member In force · From the USPTO record | In force | From the USPTO record | |
| US 8,869,334 | Mobile loading dock with load-bearing frame In force · From the USPTO record | In force | From the USPTO record | |
| US 9,254,971 | Mobile loading dock with wheel assembly In force · From the USPTO record | In force | From the USPTO record | |
| US D832,681 | Floor sleeve insert In force · From the USPTO record | In force | From the USPTO record | |
| US 9,150,369 | Mobile loading dock with adjustable leg assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 9,051,136 | Mobile loading dock with adjustable leg assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 9,169,090 | Mobile loading dock with wheel assembly In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 34: 4 lapsed for an unpaid fee · 2 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.
2 pending · 2 abandoned · 1 no status recorded