Alphamicron Incorporated
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
10
Ending by 2030
Feb 2027
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 Nov 19, 2026The maintenance fee for Photochromic devices and methods for making the same (US 9,034,457) comes due Nov 19, 2026. Unpaid by May 19, 2027, it lapses early.
- 1 fee due Dec 4, 2026The maintenance fee for Variable light attenuating devices and arrangements (US 10,310,349) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 2 fees due Feb 11 to 25, 2027 · next Feb 11
- 3 fees due Mar 3 to 15, 2027 · next Mar 3
- 1 fee due Jun 1, 2027The maintenance fee for Phototropic liquid crystal material and processes (US 9,200,203) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
- 1 fee due Oct 5, 2027The maintenance fee for Electronically dimmable optical device (US 9,304,333) comes due Oct 5, 2027. Unpaid by Apr 5, 2028, it lapses early.
- 1 fee due Nov 10, 2027The maintenance fee for Attachable optical element arrangements and methods (US 9,335,565) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 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 9,249,136 | 3H-NAPHTH0 [2,1-b] Pyrans as Photochromic Dichroic Dyes and Optical Article Containing Them In force · High confidence | In force | High confidence | |
| US 7,567,306 | Liquid crystal ski goggles and methods of manufacturing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,936,496 | Interconnection tab used with optical devices In force · From the USPTO record | In force | From the USPTO record | |
| US 9,102,652 | Dichroic-photochromic 2H-naphtho[1,2-b]pyran compounds and devices In force · From the USPTO record | In force | From the USPTO record | |
| US D705,994 | Optical element for a helmet visor In force · From the USPTO record | In force | From the USPTO record | |
| US 8,697,890 | Dichroic-photochromic 2H-naphtho[1,2-b]pyran compounds and devices In force · From the USPTO record | In force | From the USPTO record | |
| US 8,736,805 | Liquid crystal mirror adapted to filter light in the mesopic wavelength region In force · From the USPTO record | In force | From the USPTO record | |
| US 9,130,097 | Solar powered variable light attenuating devices and arrangements In force · From the USPTO record | In force | From the USPTO record | |
| US 9,034,457 | Photochromic devices and methods for making the same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,310,349 | Variable light attenuating devices and arrangements In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 31: 1 patent in force now held by others · 4 lapsed for an unpaid fee · 8 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.
4 pending · 1 abandoned · 3 no status recorded