Bigtec Private Limited

10 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

Jun 2029

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 2, 2026
The maintenance fee for Micro chip (US 9,044,754) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
3 fees due Jul 5 to 19, 2027 · next Jul 5

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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 8,282,692	Biofuel composition, process of preparation and a method of fueling thereof In force Term ends Jun 28, 2029 · From the USPTO record	In force	Term ends Jun 28, 2029	From the USPTO record
US 9,370,774	Hand held micro PCR device including microcontroller for exchanging information with a communications interface In force Term ends Dec 19, 2029 · From the USPTO record	In force	Term ends Dec 19, 2029	From the USPTO record
US 8,575,322	Polynucleotide and polypeptide sequence and methods thereof In force Term ends Mar 12, 2030 · From the USPTO record	In force	Term ends Mar 12, 2030	From the USPTO record
US 9,238,674	Polynucleotide and polypeptide sequence and methods thereof In force Term ends Mar 12, 2030 · From the USPTO record	In force	Term ends Mar 12, 2030	From the USPTO record
US 9,044,754	Micro chip In force Term ends May 24, 2030 · From the USPTO record	In force	Term ends May 24, 2030	From the USPTO record
US 9,228,144	Biofuel composition, process of preparation and a method of fueling thereof In force Term ends Sep 27, 2030 · From the USPTO record	In force	Term ends Sep 27, 2030	From the USPTO record
US 8,986,976	Method for Isolation of Nucleic Acids and a Kit Thereof In force Term ends Jan 6, 2031 · High confidence	In force	Term ends Jan 6, 2031	High confidence
US 9,404,151	Non contact real time micro polymerase chain reaction system and method thereof In force Term ends Aug 13, 2032 · From the USPTO record	In force	Term ends Aug 13, 2032	From the USPTO record
US 10,525,461	Cartridge for purification of biological samples In force Term ends Aug 30, 2036 · From the USPTO record	In force	Term ends Aug 30, 2036	From the USPTO record
US 10,227,633	Portable Device for Purifying Biological Sample and a Method Thereof In force Term ends Oct 7, 2036 · High confidence	In force	Term ends Oct 7, 2036	High confidence

Also on record, not counted in the 10: 1 lapsed for an unpaid fee. 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.

6 no status recorded

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