John Evans' Sons LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
3
Ending by 2030
Jul 2028
Next term end
When these terms end
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 Mar 17, 2027The maintenance fee for Counterbalance system for tilt-in window having a shielded brake shoe structure (US 10,415,287) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
- 1 fee due Jul 2, 2027The maintenance fee for Window Counterbalance Brake Shoe and Spring Assembly with Improved Brake Strength (US 11,859,424) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Nov 10, 2027The maintenance fee for System and method for providing a more reliable interconnection between a spring and a brake shoe in the counterbalance system of a tilt-in window (US 9,334,683) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.
Recent changes
- 1 term has ended since Aug 16, 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 7,966,770 | Rounded shoe and position brake assembly for the counterbalance system of a tilt-in window In force · From the USPTO record | In force | From the USPTO record | |
| US 8,505,242 | Counter balance system for a window having side loading sashes In force · From the USPTO record | In force | From the USPTO record | |
| US 7,980,028 | Coil spring counterbalance system for side loading window sashes In force · From the USPTO record | In force | From the USPTO record | |
| US 8,181,396 | Mounting system for a coil spring in a window counterbalance assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 8,464,466 | Window having a counterbalance system that maximizes egress opening In force · From the USPTO record | In force | From the USPTO record | |
| US 8,424,245 | Window construction utilizing sash spacer assemblies In force · From the USPTO record | In force | From the USPTO record | |
| US 8,458,878 | Coil spring mounting system and method for use in a tilt-in window counterbalance assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 8,640,383 | System and method for retaining a proper interconnection between a tilt-post and a brake shoe in the counterbalance system of a tilt-in window In force · From the USPTO record | In force | From the USPTO record | |
| US 9,334,683 | System and method for providing a more reliable interconnection between a spring and a brake shoe in the counterbalance system of a tilt-in window In force · From the USPTO record | In force | From the USPTO record | |
| US 9,371,677 | Brake shoe with contact posts that increase brake strength and improve the interconnection between the brake shoe and a counterbalance spring of a tilt-in window In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 16: 1 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.
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 no status recorded