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US

Container with Complementary Sawtooth Features on Lid and Basket to Facilitate Opening

US 8,381,944 In force
OverviewAssignmentsSources & methods

Also listed on Penpack LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Apr 21, 2031 · High confidence

Filed Nov 10, 2010 as application 12/943,730 · Granted Feb 26, 2013
Base term plus 162 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2031
Clock starts
Nov 10, 2010
Term ends
Apr 21, 2031
Granted
Feb 26, 2013
base term patent term adjustment fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
162
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.

This patent's term runs 162 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record

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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Nov 10, 2010, when this application, 12/943,730, was filedNov 10, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+162 days, USPTO patent term adjustment recordApr 21, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 21, 2031High confidence

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Feb 24, 2011
Reel 25861, frame 43
Strange, Randall Glenn; Bontrager, Richard L.Packaging Plus LLCAssignment of Assignor's Interest
Dec 14, 2011
Reel 27382, frame 529
Packaging Plus, LLCAG Thermoforming, LLCChange of Name
Dec 14, 2011
Reel 27382, frame 547
AG Thermoforming, LLCBerkley Operations, LLCChange of Name
Dec 14, 2011
Reel 27378, frame 860
AG Thermoforming, LLCBank Of Montreal, As AgentSecurity Agreement
Dec 14, 2011
Reel 27381, frame 506
Berkley Operations, LLC (F/K/A AG Thermoforming, LLC)AG Thermoforming, LLCAssignment of Assignor's Interest
Dec 14, 2011
Reel 27385, frame 238
Berkley Operations, LLCAG Thermoforming, LLCAssignment of Assignor's Interest
Nov 9, 2012
Reel 29276, frame 73
AG Thermoforming, LLCPenpack LLCChange of Name
Oct 14, 2025
Reel 72560, frame 104
Bank of MontrealPeninsula Packaging, LLCRelease of Security Interest
Nov 13, 2025
Reel 72891, frame 402
Penpack LLCToppan Thermoformed Packaging Holdings, Inc.Assignment of Assignor's Interest

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.

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