RFMicron, Inc.
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
44
Ending by 2030
Nov 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.
- 1 fee due Dec 2, 2026The maintenance fee for Method and Apparatus for Detecting RF Field Strength (US 9,048,819) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
- 1 fee due Jan 9, 2027The maintenance fee for Wireless Sensor with Oppositely Positioned Antenna and Sensing Circuitry (US 10,348,419) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
- 1 fee due Mar 10, 2027The maintenance fee for Flexible Label with Activating Circuitry (US 10,410,026) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.
- 1 fee due Jul 7, 2027The maintenance fee for Integrated and Flexible Battery Securing Apparatus (US 10,531,564) comes due Jul 7, 2027. Unpaid by Jan 7, 2028, it lapses early.
- 1 fee due Aug 11, 2027The maintenance fee for Ac-To-Dc Charge Pump Having a Charge Pump and Complimentary Charge Pump (US 10,560,034) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, it lapses early.
Recent changes
- 1 term has ended 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 8,081,043 | Method and Apparatus for Varying an Impedance In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US 9,704,085 | Method and Apparatus for Detecting RF Field Strength In force · High confidence | In force | High confidence | |
| US 9,825,608 | Method and Apparatus for Detecting RF Field Strength In force · High confidence | In force | High confidence | |
| US 9,830,548 | Method and Apparatus for Detecting RF Field Strength In force · High confidence | In force | High confidence | |
| US 9,991,596 | Method and Apparatus for Sensing Environmental Parameters Using Wireless Sensor(S) In force · Medium confidence | In force | Medium confidence | |
| US 10,149,177 | Wireless Sensor Including an RF Signal Circuit In force · High confidence | In force | High confidence | |
| US 10,164,611 | Method and Apparatus for Sensing Environmental Conditions In force · Medium confidence | In force | Medium confidence | |
| US 10,198,607 | Sensor with Tail or Transmission Line for Vehicle Leak Testing In force · High confidence | In force | High confidence | |
| US 10,210,358 | Method and Apparatus for Sensing Environment Using a Wireless Passive Sensor In force · High confidence | In force | High confidence | |
| US 10,224,903 | Method and Apparatus for Sensing an Environmental Condition During Frequency Hopping In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 70: 2 patents in force now held by others · 3 lapsed for an unpaid fee. 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 · 1 abandoned · 2 no status recorded