Method and system to interface internet protocol (IP) based wireless devices and wireless networks with optical and other networks for improved flexibility, performance and data transfer rates
US 7,286,502 Term endedTerm ended Feb 24, 2021 · From the USPTO record
20-year base term ended Dec 16, 2016
Dec 16, 1996
Feb 24, 2021
Oct 23, 2007
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 16, 1996, when the earliest non-provisional application in its chain was filed (this one was filed Jul 17, 2000); a parent in its chain could not be resolved (the next row) | Dec 16, 2016 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +1531 days, USPTO patent term adjustment record | Feb 24, 2021 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 24, 2021 | From the USPTO record |
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
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.