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Safety Stock Amount Calculation Method, Safety Stock Amount Calculation Device, Reorder Point Calculation Method, Reorder Point Calculation Device, and Order Quantity Calculation Method

US 8,140,396 Lapsed on the fee record
OverviewSources & methods

Lapsed Mar 20, 2020 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Named at grant TSC Inc. · find this owner
Filed Mar 11, 2011 as application 13/045,917 · Granted Mar 20, 2012
Base term, 20 years from filing
Today
Lapsed Mar 20, 2020
2003 2026
Clock starts
Aug 12, 2003
No longer in force
Mar 20, 2020
Granted
Mar 20, 2012
Term would have run to
Aug 12, 2023
base term after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
Step Input Date after this step Confidence
Base term, 20 years from filingClock starts Aug 12, 2003, when the earliest non-provisional application in its chain was filed (this one was filed Mar 11, 2011)Aug 12, 2023High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidlapsed Mar 20, 2020High confidence
Computed term endThe steps above, in orderMar 20, 2020High 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.

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