The Patent Finder

A-Dec, Inc.

51 patents currently held · Updated Nov 14, 2026
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
7
Ending by 2030
Jul 2029
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.
  • 2 fees due Feb 15 to 27, 2027 · next Feb 15
  • 1 fee due May 3, 2027
    The maintenance fee for Telescoping extension arm for supporting a monitor (US 9,178,347) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
  • 1 fee due Oct 7, 2027
    The maintenance fee for High speed communications network in dental equipment (US 10,614,025) comes due Oct 7, 2027. Unpaid by Apr 7, 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 8,408,899Dental delivery systems, related components and methods
In force
 · From the USPTO record
In forceFrom the USPTO record
US D753,830Base cover
In force
 · From the USPTO record
In forceFrom the USPTO record
US D766,028Seat support cover
In force
 · From the USPTO record
In forceFrom the USPTO record
US D766,841Foot control
In force
 · From the USPTO record
In forceFrom the USPTO record
US D774,340Torso bar
In force
 · From the USPTO record
In forceFrom the USPTO record
US D774,341Seat assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US D774,344Back assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US D779,256Adjustment handle
In force
 · From the USPTO record
In forceFrom the USPTO record
US D783,331Stool base
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,297,564Fluid control system for use with a patient support apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 51 patents shown.
Pro members see all 51.
Pro members: see all 51 patents
Also on record, not counted in the 51: 2 patents in force now held by others · 1 lapsed for an unpaid fee · 102 ended at full term. 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.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

3 pending · 1 abandoned · 1 no status recorded

List them

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