Optically Transmissive Substrates and Light Emitting Assemblies and Methods of Making Same, and Methods of Displaying Images Using the Optically Transmissive Substrates and Light Emitting Assemblies
US 8,462,292 Lapsed on the fee recordLapsed Jun 11, 2021 on the fee record · High confidence
20-year base term ends Jul 16, 2029
Second maintenance fee unpaid; grace period ended.
Jul 16, 2009
Jun 11, 2021
Jun 11, 2013
Aug 5, 2031
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 16, 2009, when this application, 12/504,236, was filed | Jul 16, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +750 days, USPTO patent term adjustment record | Aug 5, 2031 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Jun 11, 2021 | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2021 | High confidence |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
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