Amtech Systems, LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
20
Ending by 2030
Dec 2026
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.
- 2 fees due Nov 28 to 30, 2026 · next Nov 28
- 1 fee due Jan 14, 2027The maintenance fee for System and method for estimating range to an RFID tag (US 9,081,088) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
- 1 fee due Mar 15, 2027The maintenance fee for Multi-Protocol or Multi Command RFID System (US 9,135,480) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
- 1 fee due May 26, 2027The maintenance fee for Vehicle-Based Electronic Toll System with Interface to Vehicle Display (US 10,489,987) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
- 1 fee due Jun 5, 2027The maintenance fee for Vehicle Tracking System Using Smart-Phone as Active Transponder (US 11,836,569) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, it lapses early.
- 1 fee due Jul 30, 2027The maintenance fee for Vehicle-Based Electronic Toll System with Interface to Vehicle Display (US 11,887,406) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
- 2 fees due Oct 5 to 19, 2027 · next Oct 5
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 7,557,715 | Destructible RFID transponder In force · From the USPTO record | In force | From the USPTO record | |
| US 7,450,010 | RFID mutual authentication verification session In force · From the USPTO record | In force | From the USPTO record | |
| US 7,817,015 | Floating threshold for data detection in a RFID tag In force · From the USPTO record | In force | From the USPTO record | |
| US 7,626,363 | Lithium battery pack management and system therefor In force · From the USPTO record | In force | From the USPTO record | |
| US 9,135,480 | Multi-Protocol or Multi Command RFID System In force · High confidence | In force | High confidence | |
| US 7,999,682 | RFID tag disabling systems and methods of use In force · From the USPTO record | In force | From the USPTO record | |
| US 8,228,199 | RFID tag with integrated disabling and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 7,564,356 | Interdigit AC coupling for RFID tags In force · From the USPTO record | In force | From the USPTO record | |
| US 7,791,481 | Light activated RFID tag In force · From the USPTO record | In force | From the USPTO record | |
| US 7,928,831 | System and method for handling user keys and user passwords in a tagging system where the tag itself is capable of carrying only a single key or password In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 57: 1 lapsed for an unpaid fee · 86 ended at full term · 1 surrendered on reissue. 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 · 2 abandoned · 11 no status recorded