30 patents currently held

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

The next term ends in Mar 2027. from the record

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Alerts on its grants, lapses and transfers.

Ending by 2030

Mar 2027

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027 2028 2029 2030 2031 2032 2033 2034 2035 20362037203820392040 2041 2042204320442045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Trigger Mechanism for a Crossbow US 9,010,308

Cited by 39 later US patents, top 25% of utility patents granted in 2015 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2033.

Ends Apr 2033 · High confidence Also notable

Pulley Assembly and Axle for Compound Bows US 7,971,582

Cited by 29 later US patents, top 25% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2029.

Ends Oct 2029 · High confidence Also notable

Synchronizing Pulley Assembly for Compound Archery Bow US 7,938,109

Renewed at every maintenance window since the 2011 grant; no more fees are due before its term ends in 2027.

Ends Mar 2027 · Medium confidence

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 Mar 22, 2027
The maintenance fee for Trigger Mechanism for a Crossbow (US 9,140,516) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
1 fee due May 24, 2027
The maintenance fee for Shock-absorbing bolt for a crossbow (US 9,194,672) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 16, 2026

What they patent

The 5 largest of its 27 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Trigger Mechanism for a Crossbow	2 in force	to Apr 2033
Cable Take-Up or Let-Out Mechanism for a Compound Archery Bow	2 in force	to Jan 2032
Pulley Assembly and Axle for Compound Bows	2 in force	to Oct 2029
Cam Synchronization Device for Archery Bow	1 in force	to Sep 2042
Adjustable pulley assembly for a compound archery bow	1 in force	to Jul 2035

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 7,938,109	Synchronizing Pulley Assembly for Compound Archery Bow In force Term ends Mar 2, 2027 · Medium confidence	In force	Term ends Mar 2, 2027	Medium confidence
US 8,069,848	Pillow Block Bearing Assembly for Compound Bows In force Ends no later than Mar 7, 2028 · Medium confidence	In force	Ends no later than Mar 7, 2028	Medium confidence
US 7,770,567	Safety Trigger for a Crossbow In force Term ends Apr 22, 2028 · High confidence	In force	Term ends Apr 22, 2028	High confidence
US 7,784,453	Draw Mechanism for a Crossbow In force Term ends Jan 23, 2029 · High confidence	In force	Term ends Jan 23, 2029	High confidence
US 7,832,387	Center-Pivot Limbs for an Archery Bow In force Term ends Feb 26, 2029 · High confidence	In force	Term ends Feb 26, 2029	High confidence
US 8,459,244	Center-Bearing Limbs for an Archery Bow In force Term ends Feb 27, 2029 · Medium confidence	In force	Term ends Feb 27, 2029	Medium confidence
US 7,971,582	Pulley Assembly and Axle for Compound Bows In force Term ends Oct 28, 2029 · High confidence	In force	Term ends Oct 28, 2029	High confidence
US 8,037,876	Pulley-And-Cable Power Cable Tensioning Mechanism for a Compound Archery Bow In force Term ends Mar 11, 2030 · High confidence	In force	Term ends Mar 11, 2030	High confidence
US 8,082,910	Pulley Assembly for a Compound Archery Bow In force Term ends Apr 9, 2030 · High confidence	In force	Term ends Apr 9, 2030	High confidence
US 8,181,638	Eccentric Power Cable Let-Out Mechanism for a Compound Archery Bow In force Term ends Nov 27, 2030 · High confidence	In force	Term ends Nov 27, 2030	High confidence

10 of 30 patents shown.

Pro members see all 30.

Pro members: see all 30 patents

Also on record, not counted in the 30: 3 patents ended · 2 applications pending · 4 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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