US3084759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable guard rail stanchion
Assignee: SUPERIOR SCAFFOLD CO
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Filing: 1960-10-14
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Granted: 1963-04-09
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Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Robert K Squire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:01
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/32; E04G21/3204; E04G21/3223; E04G21/3233; E04G21/3242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A DETACHABLE STANCHION STRUCTURE: A PEDESTAL HAVING A FOOT MEMBER; AT LEAST PART OF THE PEDESTAL ABOVE THE FOOT MEMBER BEING THREADED; A THREADED MEMBER COOPERATING WITH THE THREADED PART OF THE PEDESTAL; MEANS CARRIED BY THE PEDESTAL FOR SUPPORTING A GUARD RAIL; AND A CLAMP MEMBER HAVING A LOWER PORTION OPPOSED TO THE FOOT MEMBER, AND HAVING AN UPPER ARM PROVIDED WITH A TUBULAR PORTION IN AXIALLY SLIDABLE TELESCOPED RELATION OVER SAID THREADED PART AND EXTENDING OVER A SUBSTANTIAL PORTION OF THE AXIAL LENGTH OF SAID THREADED PART FOR RESTRAINING THE PEDESTAL AGAINST TILTING MOTION RELATIVE TO SAID CLAMP MEMBER, WHEREBY UPWARD MOVEMENT OF THE THREADED MEMBER WITH RESPECT TO THE PEDESTAL CAUSES SAID PORTION OF THE CLAMP MEMBER TO MOVE TOWARD THE FOOT MEMBER.
Claim 2
Dependent Claim
127 words
IN A DETACHABLE STANCHION STRUCTURE: A PEDESTAL HAVING A FOOT MEMBER; AT LEAST PART OF THE PEDESTAL ABOVE THE FOOT MEMBER BEING THREADED; A THREADED MEMBER COOPERATING WITH THE THREADED PART OF THE PEDESTAL; MEANS CARRIED BY THE PEDESTAL FOR SUPPORTING A GUARD RAIL; AND A CLAMP MEMBER HAVING A LOWER PORTION OPPOSED TO THE FOOT MEMBER, AND HAVING AN UPPER ARM PROVIDED WITH A TUBULAR PORTION IN AXIALLY SLIDABLE TELESCOPED RELATION OVER SAID THREADED PART AND EXTENDING OVER A SUBSTANTIAL PORTION OF THE AXIAL LENGTH OF SAID THREADED PART FOR RESTRAINING THE PEDESTAL AGAINST TILTING MOTION RELATIVE TO SAID CLAMP MEMBER, WHEREBY UPWARD MOVEMENT OF THE THREADED MEMBER WITH RESPECT TO THE PEDESTAL CAUSES SAID PORTION OF THE CLAMP MEMBER TO MOVE TOWARD THE FOOT MEMBER.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |