Special apparatus therefor (self-acting watering devices A01G27/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Special apparatus therefor

CPC: Special apparatus therefor (self-acting watering devices A01G27/00)

Full Title

Full titles differ between systems:

IPC:

Soilless cultivation, e.g. hydroponics > Special apparatus therefor

CPC:

Soilless cultivation, e.g. hydroponics (growth substrates therefor A01G24/00; cultivation of seaweed A01G33/00) > Special apparatus therefor (self-acting watering devices A01G27/00)

CPC subdivides this area 4x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

IPC defines codes here since 1995.

Child Classifications

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A01G 31/021 CPC only CPC only
A01G 31/022 CPC only CPC only
A01G 31/023 +3 CPC CPC only CPC only
A01G 31/024 CPC only CPC only
A01G 31/025 CPC only CPC only
A01G 31/04 Hydroponic culture on conveyors since 1995 +3 CPC IPC+CPC Available in IPC and CPC
A01G 31/06 Hydroponic culture on racks or in stacked containers since 1995 IPC+CPC Available in IPC and CPC
A01G 31/065 CPC only CPC only