comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods

Introduced: January 1990

Title

Titles differ between systems:

IPC: comprising fuel elements of different composition; Comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods

CPC: comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods

Full Title

Full titles differ between systems:

IPC:

Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements > Assemblies of a number of fuel elements in the form of a rigid unit > Bundles of parallel pin-, rod-, or tube-shaped fuel elements > comprising fuel elements of different composition; Comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods

CPC:

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements > Assemblies of a number of fuel elements in the form of a rigid unit > Bundles of parallel pin-, rod-, or tube-shaped fuel elements > comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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G21C 3/3262 +2 CPC CPC only CPC only
G21C 3/328 Relative disposition of the elements in the bundle lattice since 1990 IPC+CPC Available in IPC and CPC