Railing construction
United States Patent 3276750
US Patent References:
/0805791.html
- - 0805791

/0955528.html
- - 0955528

/1233080.html
- - 1233080

Tapered metal pole
- - 1498176

Guard device
- - 1600165


Inventors:
Ridder, Ernst DE. J.
Publication Date:
10/04/1966
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Assignee:
REYNOLDS METALS CO
Primary Class:
256/13.100
Other Classes:
256/65.050, 403/389, 403/386
International Classes:
E01D19/10; E01D19/00
US Patent References:
1826998Highway guard
1860615Highway guard
2013716Highway safety guard
2053753Surgical traction frame
2106602Method of making fence posts
2336038Roadway guard rail
2774325Bridge warning device
2889614Method of making tubular, pronged reinforcing members for rock strata
2905446Clamping means for rail structures
2907552Guard device
2944797Balustrade
3021115Hand railing system
3028148Highway railing
Foreign References:
GB190913659A