Petram Technologies, Inc.

11 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Dec 2035

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 Sep 3, 2027
The maintenance fee for In-situ piling and anchor shaping using plasma blasting (US 10,577,767) comes due Sep 3, 2027. Unpaid by Mar 3, 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 D904,305	Electrode cage for a plasma blasting probe In force Term ends Dec 8, 2035 · From the USPTO record	In force	Term ends Dec 8, 2035	From the USPTO record
US 10,577,767	In-situ piling and anchor shaping using plasma blasting In force Term ends Feb 19, 2039 · From the USPTO record	In force	Term ends Feb 19, 2039	From the USPTO record
US 10,760,239	In-situ piling and anchor shaping using plasma blasting In force Ends no later than Feb 19, 2039 · From the USPTO record	In force	Ends no later than Feb 19, 2039	From the USPTO record
US 10,866,076	Apparatus for plasma blasting In force Term ends Feb 19, 2039 · From the USPTO record	In force	Term ends Feb 19, 2039	From the USPTO record
US 11,268,796	Apparatus for plasma blasting In force Term ends Feb 19, 2039 · From the USPTO record	In force	Term ends Feb 19, 2039	From the USPTO record
US 10,767,479	Method and apparatus for removing pavement structures using plasma blasting In force Term ends Feb 27, 2039 · From the USPTO record	In force	Term ends Feb 27, 2039	From the USPTO record
US 11,293,735	Multi-firing swivel head probe for electro-hydraulic fracturing in down hole fracking applications In force Ends no later than May 10, 2039 · From the USPTO record	In force	Ends no later than May 10, 2039	From the USPTO record
US 10,844,702	Precision utility mapping and excavating using plasma blasting In force Term ends Jun 15, 2039 · From the USPTO record	In force	Term ends Jun 15, 2039	From the USPTO record
US 10,876,387	Multi-firing swivel head probe for electro-hydraulic fracturing in down hole fracking applications In force Term ends Jul 25, 2039 · From the USPTO record	In force	Term ends Jul 25, 2039	From the USPTO record
US 11,536,124	Novel Sliced and Elliptical Head Probe for Plasma Blast Applications In force Term ends Dec 18, 2040 · High confidence	In force	Term ends Dec 18, 2040	High confidence

10 of 11 patents shown.

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Pro members: see all 11 patents

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.

2 pending

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