US3741068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wallboard staple
Assignee: Individual
•
Filing: 1972-01-03
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Granted: 1973-06-26
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Expires: 1992-01-03
Abstract
Abstract A staple for anchoring wallboard to a jamb, wherein the staple spans the gap between the wallboard and the jamb, such staple having down bent portions, including an intermediate spacer to move into the gap and against the jamb, forward piercing points to be embedded in the jamb at a distance no greater than about one-half its thickness, and a rearward point to pierce the drywall and be embedded in the underlying structure, said spacer being the longest and the rearward part being the next longest so that the rearward part may be first driven through drywall after the staple is positioned.
Inventors
- 👤 J Andruskiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:17
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0835; E04F13/0837; E06; E06B; E06B1/00; E06B1/62; F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; E06B2001/622; F16B2200/00; F16B2200/65; Y; Y10; Y10S; Y10S411/00; Y10S411/921
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
153 words
A stamped metal staple for fastening a wallboard to an adjoining jamb across a gap, including a planar body portion having opposite sides, a plurality of down bent portions extending normally to the plane of the body portion, one of said down bent portions being a rearward piercing point, other of said down bent portions being forward piercing points, the remaining down bent portion being a spacer plate, and said spacer plate being the longest down bent portion, said rearward piercing point being the next longest down bent portion, and said forward piercing points being the shortest down bent portions, said rearward piercing point having an effective length so that the rearward point pierces through the wallboard and contacts the underlying wood about the same time as the forward piercing points pierce the jamb, and said spacer plate and forwarding piercing points having a distance therebetween about one-half the thickness of the jamb.
Claim 2
Dependent Claim
153 words
A stamped metal staple for fastening a wallboard to an adjoining jamb across a gap, including a planar body portion having opposite sides, a plurality of down bent portions extending normally to the plane of the body portion, one of said down bent portions being a rearward piercing point, other of said down bent portions being forward piercing points, the remaining down bent portion being a spacer plate, and said spacer plate being the longest down bent portion, said rearward piercing point being the next longest down bent portion, and said forward piercing points being the shortest down bent portions, said rearward piercing point having an effective length so that the rearward point pierces through the wallboard and contacts the underlying wood about the same time as the forward piercing points pierce the jamb, and said spacer plate and forwarding piercing points having a distance therebetween about one-half the thickness of the jamb.
Claim 3
Dependent Claim
32 words
A stamped metal Staple as in claim 1 wherein said rearward piercing point has a triangular shape, and said forward piercing points are formed along the opposite sides of the planar body.
Claim 4
Dependent Claim
43 words
A stamped metal staple as in claim 2 wherein the spacer plate is inboard of the opposite sides of the planar body and between the forward piercing points, said down bent spacer plate forming a substantially rectangular cut-out between the forward piercing points.
Claim 5
Dependent Claim
45 words
A stamped metal staple as in claim 3 wherein the distance between the spacer plate and the forward piercing point is no less than about two-eighth inch, and the distance between the rearward piercing points and the spacer plate is at least about 1 inch.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |