The Patent Finder
US

Pan with Integrated Egg-Shaped Supports

US 7,673,646 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Cantolino Industries, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Dec 2, 2016 (JPMorgan Chase Bank, N.A.).

Term ends Nov 11, 2028 · High confidence

Filed Oct 10, 2007 as application 11/973,865 · Granted Mar 9, 2010
Base term plus 398 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2028
Clock starts
Oct 10, 2007
Term ends
Nov 11, 2028
Granted
Mar 9, 2010
base term patent term adjustment 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
398
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.
34
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 398 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 Oct 10, 2007, when this application, 11/973,865, was filedOct 10, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+398 days, USPTO patent term adjustment recordNov 11, 2028High 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 orderNov 11, 2028High confidence

This family

US 6,550,264Lapsed on the fee record
Apr 2015
Apr 2015
US 6,895,771Lapsed on the fee record
May 2017
May 2017
US 6,877,333Lapsed on the fee record
Apr 2017
Apr 2017
US 7,067,749Lapsed on the fee record
Jun 2018
Jun 2018
US D527,793Term ended
Sep 2020
Sep 2020
US 6,992,259Lapsed on the fee record
Jan 2018
Jan 2018
US 7,389,651Lapsed on the fee record
Jun 2016
Jun 2016
US 6,992,260Lapsed on the fee record
Jan 2018
Jan 2018
8 of 34 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

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
Jun 28, 2010
Reel 24599, frame 762
Cantolino, Christopher RalphCantolino Industries, Inc.Assignment of Assignor's Interest
Jan 4, 2013
Reel 29572, frame 304
Cantolino, Christopher Ralph; Cantolino Industries, Inc.Bay Cities BankSecurity Agreement
Feb 20, 2014
Reel 32257, frame 421
Cantolino, Christopher Ralph; Cantolino Industries, Inc.Bay Cities BankRelease of Security Interest
Apr 8, 2014
Reel 32623, frame 853
Cantolino, Chris; Cantolino Industries, Inc.The Rectorseal CorporationAssignment of Assignor's Interest
Apr 14, 2014
reel/frame not recorded
Bay Cities BankCantolino, Christopher RalphCorrective Assignment to Correct the to Correct the Assignor Name and the Assignee Name Previously Recorded on Reel 032257 Frame 0421. Assignor(S) Hereby Confirms the Release by Secured Party.
Apr 14, 2014
reel/frame not recorded
Bay Cities BankCantolino Industries, Inc.Corrective Assignment to Correct the to Correct the Assignor Name and the Assignee Name Previously Recorded on Reel 032257 Frame 0421. Assignor(S) Hereby Confirms the Release by Secured Party.
Apr 14, 2014
Reel 32674, frame 560
Bay Cities BankCantolino, Christopher Ralph; Cantolino Industries, Inc.Corrective Assignment to Correct the to Correct the Assignor Name and the Assignee Name Previously Recorded on Reel 032257 Frame 0421. Assignor(S) Hereby Confirms the Release by Secured Party.
Jan 5, 2016
Reel 37411, frame 5
The Rectorseal CorporationJPMorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
Nov 22, 2016
Reel 40665, frame 755
The Rectorseal CorporationRectorseal, LLCConversion, Formation
Dec 2, 2016
Reel 40818, frame 86
Rectorseal, LLC Formerly Known as the Rectorseal CorporationJPMorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
May 24, 2021
Reel 56697, frame 888
Balco, Inc.; Rectorseal, LLC; Smoke Guard, Inc.; Whitmore Manufacturing, LLCJPMorgan Chase Bank, N.A., as Collateral AgentSecurity 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited