Oldcastle BuildingEnvelope, Inc.

25 patents currently held · Updated Nov 15, 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

Mar 2027

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 Jan 11, 2027
The maintenance fee for Insulating Panel Assembly (US 11,697,963) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
1 fee due Mar 15, 2027
The maintenance fee for Method and System for Thermal Barrier Installation (US 9,133,614) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
2 fees due Apr 20 to 29, 2027 · next Apr 20
1 fee due Jul 30, 2027
The maintenance fee for Method and system for front-load bay (US 11,885,125) comes due Jul 30, 2027. Unpaid by Jan 31, 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 7,631,471	Method and Apparatus for Moisture Collection and Diversion in Curtain Walls In force Term ends Mar 23, 2027 · High confidence	In force	Term ends Mar 23, 2027	High confidence
US 7,818,934	Curtain Wall Mullion Sealing Bridge In force Term ends Jan 20, 2029 · High confidence	In force	Term ends Jan 20, 2029	High confidence
US 7,823,346	Curtain-wall mullion with mounting tongue screw race In force Term ends Sep 3, 2029 · From the USPTO record	In force	Term ends Sep 3, 2029	From the USPTO record
US 8,276,320	Method of and System for Sealing an Entry In force Term ends Aug 10, 2030 · High confidence	In force	Term ends Aug 10, 2030	High confidence
US 9,464,432	Method and System for Improved Curtain Wall Sealing In force Term ends Feb 21, 2032 · High confidence	In force	Term ends Feb 21, 2032	High confidence
US 8,998,527	System for Interconnection of Structural Components In force Term ends Mar 29, 2032 · High confidence	In force	Term ends Mar 29, 2032	High confidence
US 9,422,959	Method for Interconnection of Structural Components In force Term ends Mar 29, 2032 · High confidence	In force	Term ends Mar 29, 2032	High confidence
US 11,236,541	Method and Apparatus for Convective Sill Insulation In force Term ends Apr 13, 2032 · High confidence	In force	Term ends Apr 13, 2032	High confidence
US 9,163,400	Method and System for Improved Curtain Wall Sealing In force Term ends Sep 22, 2032 · High confidence	In force	Term ends Sep 22, 2032	High confidence
US 9,133,614	Method and System for Thermal Barrier Installation In force Term ends Nov 13, 2032 · High confidence	In force	Term ends Nov 13, 2032	High confidence

10 of 25 patents shown.

Pro members see all 25.

Pro members: see all 25 patents

Also on record, not counted in the 25: 8 lapsed for an unpaid fee · 10 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.

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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 · 1 abandoned · 7 no status recorded

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