TLHM Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Oct 2027
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 14, 2027.
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 7,581,421 | Door lock assembly having a support structure to support a tailpiece and a retaining plate In force · From the USPTO record | In force | From the USPTO record | |
| US 7,748,758 | Cylinder lock having improved torsional strength In force · From the USPTO record | In force | From the USPTO record | |
| US D738,700 | Decorative cover of lock In force · From the USPTO record | In force | From the USPTO record | |
| US 8,182,005 | Cylinder lock with reinforcements to improve structural strength In force · From the USPTO record | In force | From the USPTO record | |
| US 8,371,627 | Latch-Bolt Mechanism Operable to Allow for Idle Rotation of an Exterior Handle In force · High confidence | In force | High confidence | |
| US 8,256,253 | Cylindrical lock In force · From the USPTO record | In force | From the USPTO record | |
| US 8,746,760 | Handle-returning device for a cylinder lock assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 8,881,562 | Mortise lock In force · From the USPTO record | In force | From the USPTO record | |
| US 10,047,544 | Transmission device of electronic lock In force · From the USPTO record | In force | From the USPTO record | |
| US 10,145,144 | Electric door lock In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 15: 1 lapsed for an unpaid fee · 7 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.
1 pending