Multimedia decoder method and system with authentication and enhanced digital rights management (DRM) where each received signal is unique and where the missing signal is cached inside the storage memory of each receiver
US 7,336,784 Lapsed on the fee recordLapsed Feb 26, 2020 on the fee record · From the USPTO record
20-year base term ended Dec 20, 2022
Third maintenance fee unpaid; grace period ended.
Dec 20, 2002
Feb 26, 2020
Feb 26, 2008
Nov 17, 2024
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 20, 2002, when this application, 10/324,896, was filed | Dec 20, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +698 days, USPTO patent term adjustment record | Nov 17, 2024 | 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 | 2 of 3 maintenance fees paid | lapsed Feb 26, 2020 | High confidence |
| Computed term end | The steps above, in order | Feb 26, 2020 | 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
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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.
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