USPC Class Details

Description: 71 chemistry: fertilizers / 71 chemistry: fertilizers/(1) processes and products (64.01) forms or conditioning

Hierarchy/Derived subclasses

71 / 1-> 64.01-> 64.02
  -> 64.03-> 64.04
   -> 64.05
   -> 64.06
  -> 64.07
  -> 64.08
  -> 64.09
  -> 64.1
  -> 64.11
  -> 64.12
  -> 64.13

uspto searches

Patent Apps in 71/64.01

Granted Patents in 71/64.01

Advanced search in patft or appft for the hierarchy would be:
(ccl/71/64.01 or ccl/71/64.02 or ccl/71/64.03 or ccl/71/64.04 or ccl/71/64.05 or ccl/71/64.06 or ccl/71/64.07 or ccl/71/64.08 or ccl/71/64.09 or ccl/71/64.1 or ccl/71/64.11 or ccl/71/64.12 or ccl/71/64.13)

Press the Search button below to send the query to the USPTO site. (Granted patents search)




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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