US4448007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall panel fastener
Assignee: Individual
•
Filing: 1981-04-22
•
Granted: 1984-05-15
•
Expires: 2001-04-22
Abstract
Abstract A wallboard fastener comprising a flat base portion, an elongated tongue portion coplanar with the said base portion, a pair of flanges extending substantially normal to said base portion on opposite sides of the said tongue portion and a pair of impaling flanges mounted to said flanges so as to extend over and substantially parallel to the base portion. The improved construction of the fastener of the present invention includes an aperture in the base portion as well as in the tongue portion and separate ribs are provided for the base portion and the tongue portion so that the tongue portion is severable from the base portion without deforming the rib structures. Preferably, the fastener includes an additional rib structure disposed across the interspace between the ribs in the base portion and the ribs in the tongue portion, and which is offset from the ribs of both portions.
Inventors
- 👤 George C. Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:15
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0821; E04F13/0823
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
204 words
A wallboard fastener comprising a single piece of sheet material having: a base portion, said base having a first aperture therethrough; a tongue portion extending outwardly from and coplanar with said base portion, said tongue portion having a second aperture therethrough and said tongue having two sides which intersect said base portion; a pair of first flanges, each flange extending substantially perpendicularly outwardly from said base portion, one first flange disposed on each side of said tongue; a pair of impaling flanges, each impaling flange extending from one first flange in a plane parallel to but spaced from said base portion, said impaling flanges overlying a portion of said base portion, at least one rib formed in said base portion, said base rib protruding outwardly from said base portion in the same direction as said first flanges, and at least two ribs formed in said tongue portion, said tongue ribs protruding outwardly from said tongue in the same direction as said first flanges, one tongue rib being formed adjacent each side of said tongue so that said tongue aperture is positioned in between said tongue ribs, said tongue ribs terminating short of an edge of said tongue portion most spaced from said base portion.
Claim 2
Dependent Claim
204 words
A wallboard fastener comprising a single piece of sheet material having: a base portion, said base having a first aperture therethrough; a tongue portion extending outwardly from and coplanar with said base portion, said tongue portion having a second aperture therethrough and said tongue having two sides which intersect said base portion; a pair of first flanges, each flange extending substantially perpendicularly outwardly from said base portion, one first flange disposed on each side of said tongue; a pair of impaling flanges, each impaling flange extending from one first flange in a plane parallel to but spaced from said base portion, said impaling flanges overlying a portion of said base portion, at least one rib formed in said base portion, said base rib protruding outwardly from said base portion in the same direction as said first flanges, and at least two ribs formed in said tongue portion, said tongue ribs protruding outwardly from said tongue in the same direction as said first flanges, one tongue rib being formed adjacent each side of said tongue so that said tongue aperture is positioned in between said tongue ribs, said tongue ribs terminating short of an edge of said tongue portion most spaced from said base portion.
Claim 3
Dependent Claim
39 words
The invention as defined in claim 1 and comprising at least a pair of ribs in said base portion, one rib on each of two opposite sides of said first aperture, said ribs terminating short of said first flanges.
Claim 4
Dependent Claim
24 words
The invention as defined in claim 1 wherein said fastener comprises a further rib intermediate and spaced apart from said tongue and base ribs.
Claim 5
Dependent Claim
22 words
The invention as defined in claim 1 wherein said base and tongue ribs comprise depressions formed in said base and tongue portions.
Claim 6
Dependent Claim
112 words
The invention as defined in claim 4 in combination with a wallboard panel and a wall frame having a plurality of studs including perpendicularly aligned studs at at least one corner, wherein said base portion extends along one surface of said panel, said first aperture is positioned at a point on said surface and said impaling flanges impale an edge of said panel whereby upon removal of said tongue, a fastener installed through said first aperture and embedded in said first perpendicular stud secures said panel to said wall frame while said edge is permitted to abut against said second stud, wherein said fastener is truncated intermediate said base and tongue depressions.
Claim 7
Dependent Claim
118 words
The invention as defined in claim 4 in combination with a wallboard panel and a wall frame having a plurality of studs including perpendicularly aligned studs at at least one corner, wherein said base portion extends along one surface of said panel, said first aperture is positioned at a point on said surface and said second flanges impale an edge of said panel whereby upon removal of said tongue, a fastener installed through said first aperture and embedded in said first perpendicular stud secures said panel to said wall frame while said edge is permitted to abut against said second stud, wherein said fastener is truncated intermediate said base and tongue depressions and aside from said third depression.
Claim 8
Dependent Claim
101 words
The invention as defined in claim 1 in combination with a wallboard panel and a wall frame having a plurality of studs including perpendicularly aligned studs at at least one corner, wherein said base portion extends along one surface of said panel, said first aperture is positioned at a point on said surface and said impaling flanges impale an edge of said panel whereby upon removal of said tongue, a fastener installed through said first aperture and embedded in said first perpendicular stud secures said panel to said wall frame while said edge is permitted to abut against said second stud.
References Cited (Backward Citations)
US2831222A
Cited
US3308590A
Cited
US3881293A
Cited
US3901471A
Cited
US4127975A
Cited
US4117614A
Cited
US4194336A
Cited
US4333286A
Cited
US4333286B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-15 | 1987-11-14 | 1988-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-15 | 1991-11-14 | 1992-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-15 | 1995-11-14 | 1996-05-15 | $7700.00 | Window Closed / Lapsed |