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Class Information
Number: 976/DIG.75
Name: Nuclear technology > Reactor fuel elements and their assemblies; selection of substances for use as reactor fuel elements [g21c-3/00] > Assemblies of number of fuel elements in the form of a rigid unit [g21c-3/30] > Bundles of parallel pin-, rod-, or tube-shaped fuel elements [g21c-3/32] > Spacer grids; other spacer devices [g21c-3/34] > Spacer grids wherein each cell has a polygonal (e.g., square cross section) ; cells formed of assembled metallic nonintersecting strips [g21c-3/34d]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.76 Polygonal cells formed of intersecting strips [g21c-3/34d2] 13

Patents under this class:

Patent Number Title Of Patent Date Issued
4913875 Swirl vanes integral with spacer grid Apr. 3, 1990
4735769 Nuclear reactor fuel assembly Apr. 5, 1988
4568512 Bracing grids for nuclear reactor fuel sub-assemblies Feb. 4, 1986
4547335 Fuel rod support grid Oct. 15, 1985
4010796 Lattice, composed of strips with connecting brackets positioned in between Mar. 8, 1977

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