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US

Guide Rail for an Elevator System

US 10,723,591 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 30, 2036 · High confidence

Filed Oct 5, 2017 as application 15/564,453 · Granted Jul 28, 2020
Base term plus 205 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2016 2036
Clock starts
Apr 8, 2016
Term ends
Oct 30, 2036
Granted
Jul 28, 2020
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
205
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
2
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 205 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Apr 8, 2016, when application PCT/EP2016/057716, the earliest non-provisional in its chain, was filed (this one was filed Oct 5, 2017)Apr 8, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+205 days, USPTO patent term adjustment recordOct 30, 2036High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 30, 2036High confidence

This family

US 10,723,591this patent
Oct 2036
Oct 2036
1 of 2 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
Dec 11, 2017
reel/frame not recorded
Gainche, Philippe; Kirsch, Michael; Kuczera, Thomas; Lovric, Markan; Madera, Martin; Krieg, Martin; Obert, Mike; Hoffmann, WalterThyssenkrupp Elevator AGAssignment of Assignor's Interest
Dec 11, 2017
reel/frame not recorded
Gainche, Philippe; Kirsch, Michael; Kuczera, Thomas; Lovric, Markan; Madera, Martin; Krieg, Martin; Obert, Mike; Hoffmann, WalterThyssenkrupp AGAssignment of Assignor's Interest
Dec 11, 2017
Reel 44351, frame 344
Kirsch, Michael; Hoffmann, Walter; Kuczera, Thomas; Gainche, Philippe; Obert, Mike; Lovric, Markan; Madera, Martin; Krieg, MartinThyssenkrupp Elevator AG; Thyssenkrupp AGAssignment of Assignor's Interest
Jun 15, 2020
Reel 52945, frame 233
Thyssenkrupp Elevator AGThyssenkrupp Elevator Innovation and Operations AGChange of Name
Jun 16, 2020
Reel 52963, frame 497
Thyssenkrupp Elevator Innovation and Operations AGThyssenkrupp Elevator Innovation and Operations GmbHChange of Name
Jul 7, 2020
Reel 53144, frame 238
Thyssenkrupp AGThyssenkrupp Elevator Innovation and Opertions GmbHAssignment of Assignor's Interest
Jul 21, 2020
Reel 53264, frame 547
Thyssenkrupp AGThyssenkrupp Elevator Innovation and Operations GmbHCorrective Assignment to Correct the Misspelled Assignee Name Inside the Assignment Document to "Thyssenkrupp Elevator Innovation and Operations Gmbh." Previously Recorded on Reel 053144 Frame 0238. Assignor(S) Hereby Confirms the Assignment.
Mar 31, 2022
Reel 59586, frame 258
Thyssenkrupp Elevator Innovation and Operations GmbHTK Elevator Innovation and Operations GmbHChange of Name

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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