US4043247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall fastener
Assignee: U S ENGR CO Inc
•
Filing: 1975-11-28
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Granted: 1977-08-23
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Expires: 1995-11-28
Abstract
Abstract An anchor for facilitating the suspending of articles from walls or ceilings includes a tubular fastener-receiving member which penetrates the wall. The tubular member has an arcuate free end which causes a fastener, such as a nail inserted therethrough to curl out of and back into the wall. The anchor is particularly useful in suspending articles from dry wall and the like.
Inventors
- 👤 Anthony S. Rowinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:15
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/04; Y; Y10; Y10S; Y10S411/00; Y10S411/922
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
82 words
An anchor, comprising: a. a driving surface, b. a tubular element having an inlet and an outlet, the tubular element extending outwardly from the driving surface, the free end of the tubular element having an arcuate section such that the outlet is substantially perpendicular to the inlet, and c. means to cause the angular deviation of the tubular element from the perpendicular upon the driving of the tubular element into a wall, the means comprising the terminal point of the arcuate section.
Claim 2
Dependent Claim
82 words
An anchor, comprising: a. a driving surface, b. a tubular element having an inlet and an outlet, the tubular element extending outwardly from the driving surface, the free end of the tubular element having an arcuate section such that the outlet is substantially perpendicular to the inlet, and c. means to cause the angular deviation of the tubular element from the perpendicular upon the driving of the tubular element into a wall, the means comprising the terminal point of the arcuate section.
Claim 3
Dependent Claim
39 words
The anchor of claim 1, which further comprises: a driving head integrally formed with the tubular element, the driving head defining the driving surface, the driving head having an aperture in registry with the inlet of the tubular element.
Claim 4
Dependent Claim
28 words
The anchor of claim 2 wherein: the tubular element extends from the driving head at angle with respect thereto, the angle ranging from about 70° to about 90°.
Claim 5
Dependent Claim
22 words
The anchor of claim 1, wherein: the outer periphery of the tubular element proximate the inlet is provided with a threaded profile.
Claim 6
Dependent Claim
54 words
A fastener for use with the anchor of claim 4, comprising: a. an elongated section, one end thereof terminating at a point, b. an enlarged shank integrally formed with the elongated section at the other end thereof, the exterior of the shank having a threaded profile the same as that of the tubular element.
Claim 7
Dependent Claim
99 words
A hook, comprising: a. an elongated first leg, b. an arcuate second leg integrally formed with the first leg at one end of the first leg, c. a third leg integrally formed with the arcuate leg at the other end of the arcuate leg, d. the first leg having an aperture formed therethrough proximate the free end thereof, e. the anchor of claim 1 extending outwardly from the first leg, the inlet of the tubular element communicating with the aperture of the first leg, and wherein the area of the first leg surrounding the aperture defines the driving surface.
References Cited (Backward Citations)
US1121076A
Cited
FR530942A
Cited
US1548456A
Cited
FR915366A
Cited
US3188904A
Cited
US3177753A
Cited
US3455200A
Cited
US3396624A
Cited
US3519704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-22 | 1981-02-21 | 1981-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-22 | 1985-02-21 | 1985-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-22 | 1989-02-21 | 1989-08-23 | $7700.00 | Window Closed / Lapsed |