US3584839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction safety fence post
Assignee: Individual
•
Filing: 1969-07-28
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Granted: 1971-06-15
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Expires: 1989-07-28
Abstract
Abstract A fencepost for supporting a guardrail around the top of a building under construction, the post having a support arm and a downwardly directly spike which may be forced through the metal roof decking, and a disposable sleeve around the spike means which remains captive in the poured concrete of the building structure while permitting the spike and fencepost to be removed for use on a higher floor.
Inventors
- 👤 Edward Earl Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:49
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/32; E04G21/3204; E04G21/3223
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
140 words
A construction safety fencepost for the erection of temporary dismountable safety fence around the top floor of a building under the construction above the top edge of the exterior walls thereof and comprising: a vertical column portion dimensioned to extend above and below said top edge of said building exterior wall; a wall-contacting face on a lower portion of said column oriented to contact a face of a said exterior wall; rail attachment means on an upper portion of said column; a column support arm attached to said column between said upper and lower portions and extending normal thereto and oriented in the same direction as said wall-contacting face to overlie said exterior wall; downwardly dependent spike means at the free end of said support arm, and, disposable sleeve means on said spike means, to prevent bonding to concrete thereto.
Claim 2
Dependent Claim
140 words
A construction safety fencepost for the erection of temporary dismountable safety fence around the top floor of a building under the construction above the top edge of the exterior walls thereof and comprising: a vertical column portion dimensioned to extend above and below said top edge of said building exterior wall; a wall-contacting face on a lower portion of said column oriented to contact a face of a said exterior wall; rail attachment means on an upper portion of said column; a column support arm attached to said column between said upper and lower portions and extending normal thereto and oriented in the same direction as said wall-contacting face to overlie said exterior wall; downwardly dependent spike means at the free end of said support arm, and, disposable sleeve means on said spike means, to prevent bonding to concrete thereto.
Claim 3
Dependent Claim
39 words
A construction safety fencepost as claimed in claim 1 wherein said vertical column portion is formed of an iron bar of T-shaped cross section, with the upper portion of the T-shape forming the wall contacting face of said column.
Claim 4
Dependent Claim
31 words
A construction safety fencepost as claimed in claim 1 wherein said column support arm includes a downwardly directed edge portion contacting the upper portion of said exterior wall of said building.
Claim 5
Dependent Claim
61 words
A construction safety fencepost as claimed in claim 1 including at least two spaced-apart rail bracket members attached to said other portion of said vertical column one above the other to locate upper and lower rails for said safety fence, and wherein each said bracket means is dimensioned and arranged to receive two such fence rails overlapping one above the other.
Claim 6
Dependent Claim
48 words
A construction safety fencepost as claimed in claim 1 wherein said disposable concrete separation means comprises a sleeve of plastic material slidably fitted over said spike means, and adapted to be retained in concrete to be poured therearound, thereby releasing said spike means for dismantling of said fence.
Claim 7
Dependent Claim
36 words
A construction safety fencepost as claimed in claim 1 including support arm adjustment means incorporated in said column support arm for adjusting the lengths thereof thereby varying the spacing between said column and said spike means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |