Container lifting apparatus particularly useful in aircraft for storing and retrieving galley articles in the cargo hold
US 6,663,043 Lapsed on the fee recordLapsed Dec 16, 2011 on the fee record · From the USPTO record
20-year base term ended Sep 11, 2022
Second maintenance fee unpaid; grace period ended.
Sep 11, 2002
Dec 16, 2011
Dec 16, 2003
Sep 11, 2022
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 11, 2002, when this application, 10/238,620, was filed | Sep 11, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 Dec 16, 2011 | High confidence |
| Computed term end | The steps above, in order | Dec 16, 2011 | 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.