Digger Specialties, Inc.

10 patents currently held · Updated Nov 15, 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

Feb 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.

1 fee due Dec 25, 2026
The maintenance fee for Method and apparatus for extracting columns from molds (US 10,328,614) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
2 fees due Feb 13 to 22, 2027 · next Feb 13

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026

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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 7,549,616	Molding device for molding parts In force Term ends Feb 27, 2027 · From the USPTO record	In force	Term ends Feb 27, 2027	From the USPTO record
US 8,234,837	Split columns with locating features In force Term ends Jun 2, 2029 · From the USPTO record	In force	Term ends Jun 2, 2029	From the USPTO record
US 8,998,175	Rail Crossover In force Term ends Sep 29, 2029 · Medium confidence	In force	Term ends Sep 29, 2029	Medium confidence
US 10,160,143	Method and Apparatus for Molding Columns In force Term ends Aug 18, 2036 · High confidence	In force	Term ends Aug 18, 2036	High confidence
US 10,377,063	Production line for manufacturing molded columns In force Term ends Aug 24, 2036 · From the USPTO record	In force	Term ends Aug 24, 2036	From the USPTO record
US 10,328,614	Method and apparatus for extracting columns from molds In force Term ends Sep 2, 2036 · From the USPTO record	In force	Term ends Sep 2, 2036	From the USPTO record
US 11,732,776	Vertical Cable Railing Assembly In force Term ends Sep 5, 2039 · High confidence	In force	Term ends Sep 5, 2039	High confidence
US 12,060,921	Vertical Cable Railing Assembly In force Term ends Sep 5, 2039 · High confidence	In force	Term ends Sep 5, 2039	High confidence
US 12,747,773	Vertical Cable Railing Assembly In force Term ends Apr 2, 2040 · Medium confidence	In force	Term ends Apr 2, 2040	Medium confidence
US 11,300,180	Vertical Cable Railing Assembly In force Term ends May 19, 2040 · High confidence	In force	Term ends May 19, 2040	High confidence

Also on record, not counted in the 10: 7 lapsed for an unpaid fee · 4 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.

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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.

1 pending · 1 abandoned · 4 no status recorded

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