CPC B64C2700/6273

From Inventing aviation
Jump to navigation Jump to search
Enclosing categories
Subcategories
Keywords CPC B64C23/005
Start year
End year

This is an obsoleted category in the CPC patent technology category system. It had to do with airplanes and helicopters, and the phrase "lift being provided.": [1]

This category was deleted around May 1, 2017: [2] It seems to have been five levels down in the tree, and CPC B64C2700/627 was its immediate parent. Patents with this assignment were reassigned numbers in the B64C tree. Oddly the deletion document doesn't lay out what the codes meant; what phrase or tree applied.

It was in this category tree:[1]

References

Enclosing categories CPC B64C2700/00, CPC B64C2700/627
Subcategories
Keywords IdT classification
Start year
End year


This wiki has 19 patents in category "CPC B64C2700/6273". Other techtypes related to CPC B64C2700/6273: CPC B64C23/005

Patents in category CPC B64C2700/6273