The Patent Finder

Tailos, Inc.

11 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Previously recorded as Maidbot, Inc. (to 2022)

0
Ending by 2030
Dec 2034
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Apr 24, 2027
    The maintenance fee for Automated robot alert system (US 11,798,390) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
  • 1 fee due Aug 4, 2027
    The maintenance fee for Wheel assembly, methods, and applications (US 10,549,577) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US D870,401Robot body
In force
 · From the USPTO record
In forceFrom the USPTO record
US D878,289Battery
In force
 · From the USPTO record
In forceFrom the USPTO record
US D922,012Wheel motor assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US D922,013Vacuum brush motor assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,549,577Wheel assembly, methods, and applications
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,798,390Automated robot alert system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,113,945Automated robot alert system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,058,270Robotic apparatus, method, and applications
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,026,551Suspension system, methods, and applications
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,053,139Robotic apparatus, method, and applications
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 11 patents shown.
Pro members see all 11.
Pro members: see all 11 patents
Also on record, not counted in the 11: 1 patent in force now held by others. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited