Sisma S.P.A.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2036
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 13, 2026The maintenance fee for Apparatus for 3D printing of bottom-up photo-curing type, with independent elastic membrane system and tilting reference and relative methods of use (US 11,673,327) comes due Dec 13, 2026. Unpaid by Jun 14, 2027, it lapses early.
- 1 fee due May 5, 2027The maintenance fee for System for viewing an area for processing materials using laser apparatuses (US 10,464,166) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 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.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D915,477 | 3-D printer In force · From the USPTO record | In force | From the USPTO record | |
| US D916,147 | 3-D printer In force · From the USPTO record | In force | From the USPTO record | |
| US D916,148 | 3-D printer In force · From the USPTO record | In force | From the USPTO record | |
| US 10,464,166 | System for viewing an area for processing materials using laser apparatuses In force · From the USPTO record | In force | From the USPTO record | |
| US 11,673,327 | Apparatus for 3D printing of bottom-up photo-curing type, with independent elastic membrane system and tilting reference and relative methods of use In force · From the USPTO record | In force | From the USPTO record | |
| US 11,485,076 | Modelling head for a three-dimensional printing machine and process for calibrating said modelling head In force · From the USPTO record | In force | From the USPTO record | |
| US 12,789,289 | Laser Machining Apparatus and Control Device In force · High confidence | In force | High confidence |
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
Every application published under this name has become a patent.