US3920221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction safety anchor means
Assignee: Individual
•
Filing: 1973-05-31
•
Granted: 1975-11-18
•
Expires: 1993-05-31
Abstract
Abstract Safety anchor means for use in conjunction with such as I-beams or reinforcing steel for poured in place reinforced concrete or the like at construction sites, the safety anchor means being disposed at spaced intervals along the I-beam or reinforced concrete and being adapted to support such as safety rails and toe boards and being in part releasably affixed to the I-beam or reinforcing steel for reuse at other construction sites, and being in part embedded in the concrete or fixed to the reinforcing steel and expendable.
Inventors
- 👤 Clifford M Berry
- 👤 Orson R Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:57
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/32; E04G21/3204; E04G21/3223; E04G21/3233; E04G21/3242; E04G5/00; E04G5/04; E04G5/045
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
123 words
In safety anchor means for use in conjunction with such as an I-beam or reinforcing steel for poured-in-place reinforced concrete or the like at spaced intervals along the I-beam or reinforced concrete for the support of safety rails and/or toe boards, the improvement comprising: expendable anchor support means permanently fixed to the I-beam or reinforcing steel, and safety rail and toe board support means releasably attached to the anchor support means for ready removal and reusE at another construction site the anchor support means including a clamp fixed to the I-beam and a coupling fixed to the clamp, and the safety rail and toe board support means including a shaft releasably engaged with the coupling and a post releasably engaged with the shaft.
Claim 2
Dependent Claim
123 words
In safety anchor means for use in conjunction with such as an I-beam or reinforcing steel for poured-in-place reinforced concrete or the like at spaced intervals along the I-beam or reinforced concrete for the support of safety rails and/or toe boards, the improvement comprising: expendable anchor support means permanently fixed to the I-beam or reinforcing steel, and safety rail and toe board support means releasably attached to the anchor support means for ready removal and reusE at another construction site the anchor support means including a clamp fixed to the I-beam and a coupling fixed to the clamp, and the safety rail and toe board support means including a shaft releasably engaged with the coupling and a post releasably engaged with the shaft.
Claim 3
Dependent Claim
119 words
In safety anchor means for use in conjunction with such as an I-beam or reinforcing steel for poured-in-place reinforced concrete or the like at spaced intervals along the I-beam or reinforced concrete for the support of safety rails and/or toe boards, the improvement comprising: expandable anchor support means permanently fixed to the I-beam or reinforcing steel, and safety rail and toe board support means releasably attached to the anchor support means for ready removal and reuse at another construction site, the anchor support means including a coupling fixed to the I-beam or reinforcing steel, and the safety rail and toe board support means including a shaft releasably engaged with the coupling and a post releasably engaged with the shaft.
Claim 4
Dependent Claim
119 words
In safety anchor means for use in conjunction with such as an I-beam or reinforcing steel for poured-in-place reinforced concrete or the like at spaced intervals along the I-beam or reinforced concrete for the support of safety rails and/or toe boards, the improvement comprising: expandable anchor support means permanently fixed to the I-beam or reinforcing steel, and safety rail and toe board support means releasably attached to the anchor support means for ready removal and reuse at another construction site, the anchor support means including a coupling fixed to the I-beam or reinforcing steel, and the safety rail and toe board support means including a shaft releasably engaged with the coupling and a post releasably engaged with the shaft.
Claim 5
Dependent Claim
17 words
In the safety anchor means according to claim 2, the shaft being threadedly engaged with the coupling.
References Cited (Backward Citations)
US1707894A
Cited
US2632850A
Cited
US3084759A
Cited
US3480257A
Cited
US3465995A
Cited
US3632089A
Cited
US3785602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |