Spur Concepts Inc

18 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Apr 2037

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 Mar 10 to 12, 2027 · next Mar 10
1 fee due Sep 30, 2027
The maintenance fee for Systems and Methods for Cooling Batteries in a Battery Powered Blow Dryer (US 10,608,297) comes due Sep 30, 2027. Unpaid by Mar 31, 2028, it lapses early.
1 fee due Oct 2, 2027
The maintenance fee for Modulation Techniques for Prolonging Battery Life in a Battery-Powered Hair Dryer (US 11,944,176) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, it lapses early.

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.

Patent	Title	Status	Expires	Confidence
US 10,687,597	System and Method for an Enhanced Hair Dryer In force Term ends Apr 21, 2037 · High confidence	In force	Term ends Apr 21, 2037	High confidence
US 11,751,657	System and Method for an Enhanced Hair Dryer In force Term ends Apr 21, 2037 · High confidence	In force	Term ends Apr 21, 2037	High confidence
US 10,608,297	Systems and Methods for Cooling Batteries in a Battery Powered Blow Dryer In force Term ends Jul 26, 2037 · High confidence	In force	Term ends Jul 26, 2037	High confidence
US 11,000,104	Systems and Methods for Delivering Heat in a Battery Powered Blow Dryer In force Term ends Jul 26, 2037 · High confidence	In force	Term ends Jul 26, 2037	High confidence
US 11,033,089	Systems and Methods for Cooling Batteries in a Battery Powered Blow Dryer In force Term ends Jul 26, 2037 · High confidence	In force	Term ends Jul 26, 2037	High confidence
US 12,161,209	Systems and Methods for Delivering Heat in a Battery Powered Blow Dryer In force Term ends Jul 26, 2037 · High confidence	In force	Term ends Jul 26, 2037	High confidence
US 10,021,952	System and Method for an Enhanced Hair Dryer In force Term ends Jul 29, 2037 · High confidence	In force	Term ends Jul 29, 2037	High confidence
US 12,178,303	System and Method for an Enhanced Hair Dryer In force Term ends Jul 29, 2037 · High confidence	In force	Term ends Jul 29, 2037	High confidence
US 12,376,661	System and Method for an Enhanced Hair Dryer In force Term ends Jul 29, 2037 · High confidence	In force	Term ends Jul 29, 2037	High confidence
US 12,389,996	System and Method for an Enhanced Hair Dryer In force Term ends Jul 29, 2037 · High confidence	In force	Term ends Jul 29, 2037	High confidence

10 of 18 patents shown.

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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 pending · 1 abandoned

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