Langenstein & Schemann GmbH
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
0
Ending by 2030
Sep 2032
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 May 10, 2027The maintenance fee for Machine bed, method for the operation of a forming machine and forming installation (US 9,180,642) comes due May 10, 2027. Unpaid by Nov 10, 2027, 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 9,180,642 | Machine bed, method for the operation of a forming machine and forming installation In force · From the USPTO record | In force | From the USPTO record | |
| US 9,457,393 | Forming machine for forging, in particular, stretch-forging, workpieces In force · From the USPTO record | In force | From the USPTO record | |
| US 9,889,621 | Press and method for pressing workpieces In force · From the USPTO record | In force | From the USPTO record | |
| US 10,293,398 | Forming Machine, in Particular a Forging Hammer In force · High confidence | In force | High confidence | |
| US 11,097,334 | Forging hammer having an electric linear drive In force · From the USPTO record | In force | From the USPTO record | |
| US 10,967,418 | Shaping device, in particular a spindle press, and method for shaping workpieces In force · From the USPTO record | In force | From the USPTO record | |
| US 10,875,082 | Forming machine, in particular forging hammer, and method for controlling a forming machine In force · From the USPTO record | In force | From the USPTO record | |
| US 12,128,470 | Production System, Production Module, Method for Operating and Setting Up a Production Line, and Method for Producing a Workpiece In force · High confidence | In force | High confidence | |
| US 12,599,954 | Hydraulic Forming Machine for Pressing Workpieces, in Particular Forging Hammer, and Method for Operating a Hydraulic Forming Machine, in Particular a Forging Hammer In force · High confidence | In force | High confidence | |
| US 12,420,329 | Forging machine with prestressed concrete machine frame In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 11: 1 lapsed for an unpaid fee · 12 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 · 3 no status recorded