USPC Class Details

Description: 429 chemistry: electrical current producing apparatus, product, and process / 429 chemistry: electrical current producing apparatus, product, and process/(122) current producing cell, elements, subcombinations and compositions for use therewith and adjuncts (129) separator, retainer or spacer insulating structure (other than a single porous flat sheet, or either an impregnated or coated sheet not having distinct layers) (131) having electrode enclosing feature

Hierarchy/Derived subclasses

429 / 122	-> 129	-> 131	-> 132
			-> 133	-> 134	-> 135
			-> 136	-> 137
				-> 138
				-> 139
			-> 140	-> 141

uspto searches

Patent Apps in 429/131

Granted Patents in 429/131

Use the links above or do an advanced search in ppubs for:
(429/131.ccls. or 429/132.ccls. or 429/133.ccls. or 429/134.ccls. or 429/135.ccls. or 429/136.ccls. or 429/137.ccls. or 429/138.ccls. or 429/139.ccls. or 429/140.ccls. or 429/141.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.

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