Abi Attachments, Inc.

28 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

Ending by 2030

Jan 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Apr 3 to 24, 2027 · next Apr 3
1 fee due May 26, 2027
The maintenance fee for Work machines including automatic grading features and functions (US 10,487,475) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
3 fees due Jun 3 to 17, 2027 · next Jun 3
1 fee due Aug 20, 2027
The maintenance fee for Adjustable hitches for coupling surface conditioning tools and work machines (US 11,904,645) comes due Aug 20, 2027. Unpaid by Feb 22, 2028, it lapses early.
1 fee due Nov 10, 2027
The maintenance fee for Self-propelled soil working machines (US 9,332,687) comes due Nov 10, 2027. Unpaid by May 10, 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.

Patent	Title	Status	Expires	Confidence
US 9,826,672	Implement and method for preparing and maintaining dirt arena footing In force Term ends Jan 25, 2027 · From the USPTO record	In force	Term ends Jan 25, 2027	From the USPTO record
US 8,944,176	Implement and method for preparing and maintaining dirt arena footing In force Term ends Mar 9, 2027 · From the USPTO record	In force	Term ends Mar 9, 2027	From the USPTO record
US 9,883,621	Soil working machines including height and pitch tool adjustability In force Term ends Apr 10, 2033 · From the USPTO record	In force	Term ends Apr 10, 2033	From the USPTO record
US 10,492,354	Soil working machines including height and pitch tool adjustability In force Ends no later than Apr 10, 2033 · From the USPTO record	In force	Ends no later than Apr 10, 2033	From the USPTO record
US 9,332,687	Self-propelled soil working machines In force Term ends Dec 25, 2033 · From the USPTO record	In force	Term ends Dec 25, 2033	From the USPTO record
US 9,609,796	Grading tools for work machines and operation thereof In force Term ends Apr 21, 2035 · From the USPTO record	In force	Term ends Apr 21, 2035	From the USPTO record
US 10,508,411	Grading tools for work machines and operation thereof In force Term ends Oct 1, 2035 · From the USPTO record	In force	Term ends Oct 1, 2035	From the USPTO record
US 12,150,398	Soil working machines including height and pitch tool adjustability In force Term ends Feb 20, 2036 · From the USPTO record	In force	Term ends Feb 20, 2036	From the USPTO record
US 10,149,440	Edging tools for work machines In force Term ends Dec 1, 2036 · From the USPTO record	In force	Term ends Dec 1, 2036	From the USPTO record
US 10,039,222	Tow-behind grading tool and operation thereof In force Term ends Jan 13, 2037 · From the USPTO record	In force	Term ends Jan 13, 2037	From the USPTO record

10 of 28 patents shown.

Pro members see all 28.

Pro members: see all 28 patents

Also on record, not counted in the 28: 2 lapsed for an unpaid fee · 3 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.

Export every term end as CSV · Pro

Published applications

Every application published under this name has become a patent.