Underground Extraction Technologies Pty Ltd
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 2035
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 Mar 5, 2027The maintenance fee for Mining system (US 11,746,653) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
- 1 fee due Apr 17, 2027The maintenance fee for Recovering conveyor systems and continuous miners from mined plunge tunnels in underground mines (US 11,788,412) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
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.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,113,425 | Underground mining system for reduced costs, improved efficiencies, higher productivity and a safer working environment through penetrated block extraction In force · From the USPTO record | In force | From the USPTO record | |
| US 11,788,412 | Recovering conveyor systems and continuous miners from mined plunge tunnels in underground mines In force · From the USPTO record | In force | From the USPTO record | |
| US 11,597,605 | Flexible Conveyor System In force · High confidence | In force | High confidence | |
| US 11,746,653 | Mining system In force · From the USPTO record | In force | From the USPTO record | |
| US 12,146,409 | Mining system In force · From the USPTO record | In force | From the USPTO record | |
| US 12,723,512 | Mining System with a Flexible Conveyor System 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.