Title:
Open floor grating
United States Patent 2645985
US Patent References:
/1158154.html
- - 1158154

Grating
- - 1445401

Grating
- - 1799658

Grating and grating bar and method of fabricating gratings
- - 2006929

Grating and like structure
- - 2190214


Inventors:
Beebe, Gerald T.
Priest, Henry M.
Publication Date:
07/21/1953
View Patent Images:
Assignee:
UNITED STATES STEEL CORP
Primary Class:
Other Classes:
52/669, 14/73, 52/668
International Classes:
E04C2/42; E04C2/30
US Patent References:
2231474Structural joint
2437186Grating and method of making the same