Polyphasic Multi-Coil Generator
US 9,584,056 Term endedTerm ended Nov 1, 2024 · Medium confidence
20-year base term ends Jun 8, 2027
Jun 8, 2007
Nov 1, 2024
Feb 28, 2017
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jun 8, 2007, when the earliest non-provisional application in its chain was filed (this one was filed Feb 20, 2014); a parent in its chain could not be resolved (the next row) | Jun 8, 2027 | 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 | +250 days, USPTO patent term adjustment record | Feb 13, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,081,696, US 7,595,574, US 8,106,563, US 8,212,445, US 8,614,529) | capped to Nov 1, 2024 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 1, 2024 | Medium 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
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.