Difference between revisions of "CPC B64C27/04"

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*B PERFORMING OPERATIONS; TRANSPORTING
 
*B PERFORMING OPERATIONS; TRANSPORTING
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*B64 AIRCRAFT; AVIATION; COSMONAUTICS
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**B64 AIRCRAFT; AVIATION; COSMONAUTICS
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*[[CPC B64C]] AEROPLANES; HELICOPTERS
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***[[CPC B64C]] AEROPLANES; HELICOPTERS
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*[[CPC B64C27/00]] Rotorcraft; Rotors peculiar thereto
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****[[CPC B64C27/00]] Rotorcraft; Rotors peculiar thereto
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*'''B64C27/04 Helicopters'''
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***** [[CPC B64C27/04]]] Helicopters
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***** [[CPC B64C27/06]] Helicopters with single rotor
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****** [[CPC B64C27/12]] Rotor drives
  
 
{{References}}
 
{{References}}
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{{Affiliated techtypes|CPC B64C27/04}}
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{{Patents by techtype|CPC B64C27/04}}
  
 
{{Techtype
 
{{Techtype
 
|Enclosing categories=CPC B64C27/00
 
|Enclosing categories=CPC B64C27/00
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|Affiliated concepts=helicopter
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|Subcategories=CPC B64C27/06; CPC B64C27/12
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|Keywords=helicopter
 
}}
 
}}
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{{Affiliated techtypes|CPC B64C27/04}}
 
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{{Patents by techtype|CPC B64C27/04}}
 

Latest revision as of 11:45, 27 October 2019

CPC B64C27/04 is a category in the CPC patent technology category system for helicopters. It is within this category tree:[1]

References

  1. ↑ From example patent [1] at google patents


Patents in category CPC B64C27/04

Enclosing categories CPC B64C27/00
Subcategories CPC B64C27/06, CPC B64C27/12
Keywords Helicopter
Start year
End year
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