USPC Class Details

Description: 141 fluent material handling, with receiver or receiver coacting means / 141 fluent material handling, with receiver or receiver coacting means/(18) filling or refilling of dispensers (21) by operation of means causing or controlling dispensing (25) expansible chamber of fluid pressure applying or controlling means

Hierarchy/Derived subclasses

141 / 18-> 21-> 25-> 26
   -> 27
   -> 28

uspto searches

Patent Apps in 141/25

Granted Patents in 141/25

Use the links above or do an advanced search in ppubs for:
(141/25.ccls. or 141/26.ccls. or 141/27.ccls. or 141/28.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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