Patent US3675736A successfully refreshed from Google Patents.
US3675736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guard rail assembly for a platform
Assignee: Baker-Roos Inc
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Filing: 1971-05-03
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Granted: 1972-07-11
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Expires: 1991-05-03
Abstract
Abstract A guard rail assembly for a platform in which said platform is supported on a pair of struts interconnecting a pair of leg frames. A plurality of plates are removably mounted on said struts and each is provided with an upwardly open socket. A plurality of posts are received in said sockets and project upwardly therefrom. Said posts are interconnected by a plurality of guard rails.
Inventors
- 👤 William Clark Roggie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:33
CPC Classifications
E; E04; E04G; E04G5/00; E04G5/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
119 words
In combination with a platform supporting assembly in which a platform is supported on a pair of interconnected struts mounted on supporting means, each of said struts having a web interconnecting Laterally projecting upper and lower arms, vertically aligned fingers projecting upwardly from the ends of said arms remote from said web; a guard rail assembly comprising a plurality of plates carried on said struts between said web and the finger on said lower arm, fastening means on each of said plates adapted to be connected to said web, a socket mounted on each of said plates for engagement with said fingers, a post received in each of said sockets, and a plurality of guard rails interconnecting said posts.
Claim 2
Dependent Claim
119 words
In combination with a platform supporting assembly in which a platform is supported on a pair of interconnected struts mounted on supporting means, each of said struts having a web interconnecting Laterally projecting upper and lower arms, vertically aligned fingers projecting upwardly from the ends of said arms remote from said web; a guard rail assembly comprising a plurality of plates carried on said struts between said web and the finger on said lower arm, fastening means on each of said plates adapted to be connected to said web, a socket mounted on each of said plates for engagement with said fingers, a post received in each of said sockets, and a plurality of guard rails interconnecting said posts.
Claim 3
Dependent Claim
57 words
The invention as set forth in claim 1 in which each of said plates comprises a vertically extending leg engageable with the inner face of the finger on said lower arm, and a horizontally extending leg connected to said vertical leg and engagable with the upwardly and outwardly presented faces, respectively, of said lower arm and web.
Claim 4
Dependent Claim
37 words
The invention as set forth in claim 1 in which said plate has a vertical extent less than the distance between said upper and lower arms and said socket has a vertical extent greater than said distance.
Claim 5
Dependent Claim
79 words
The invention as set forth in claim 1 in which each of said plates comprises a vertically extending leg engagement with the inner face of the finger on said lower arm and a horizontally extending leg connected to said vertical leg and engageable with the upwardly and outwardly presented faces, respectively, of said lower arm and web, and said fastening means comprises a bolt extending through aligned openings in said vertical leg and web for reception in a nut.
References Cited (Backward Citations)
US2226359A
Cited
US3071206A
Cited
US3082843A
Cited
US3212605A
Cited
US3396817A
Cited
US3498412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |